# Timeline of geopolitical changes (1500–1899)

This is a timeline of geopolitical changes around the world between 1500 and 1899. It includes dates of declarations of independence, changes in country name, changes of capital city or name, and changes in territorial ownership such as the annexation, occupation, cession, concession, or secession of land. Territorial conquests as a result of war are included on the timeline at the conclusion of major military campaigns, but changes in the course of specific battles and day-to-day operations are generally not included.

## Contents

16th century :
| 17th century | 1600s 1610s 1620s 1630s 1640s 1650s 1660s 1670s 1680s 1690s |
| 18th century | 1700s 1710s 1720s 1730s 1740s 1750s 1760s 1770s 1780s 1790s |
| 19th century | 1800s 1810s 1820s 1830s 1840s 1850s 1860s 1870s 1880s 1890s |

## 16th century

| Year | Date | Event |
| 1500 | 22 April | Portuguese navigator Pedro Álvares Cabral arrives at the coast of Brazil and claims all land in South America east of the Tordesillas Meridian for the Kingdom of Portugal, thus establishing the Portuguese Colony of Brazil. |
| 1500 | | The Kingdom of Portugal conquers Mombasa. |
| 1501 | | João da Nova discovers Ascension Island. |
| 1501 | | The Wadai Sultanate is established. |
| 1501 | | The Uzbek Khanate is disestablished. |
| 1502 | | The Golden Horde is disestablished following the death of Shaykh Ahmad. |
| 1503 | | The Aceh Sultanate is established. Kutaraja is the capital. |
| 1504 | | The Kingdom of Naples is ceded to the Crown of Aragon. |
| 1505 | | The colony of Portuguese India is established. Kochi is the capital. |
| 1506 | | Fall of the Timurid Empire. The Khanate of Bukhara is created from areas of the former empire. Samarkand is the capital. |
| 1506 | | The Delhi Sultanate moves its capital from Delhi to Agra. |
| 1507 | | The Kingdom of Portugal conquers Muscat. |
| 1510 | | The Kingdom of Portugal conquers Goa. |
| 1510 | | The Grand Duchy of Moscow annexes the Pskov Republic. |
| 1511 | | The Khanate of Khiva is established in Central Asia. Old Urgench is the capital. |
| 1511 | | The Kingdom of Portugal conquers Malacca. |
| 1513 | | Juan Ponce de León claims Florida for Spain. |
| 1514 | | The Principality of Moldavia becomes a vassal state of the Ottoman Empire. |
| 1515 | | Algeria becomes a vassal state of the Ottoman Empire as the Regency of Algiers. |
| 1517 | | The Ottoman Empire conquers Egypt from the Mamluks. |
| 1517 | | Fall of the Majapahit Empire in Indonesia. |
| 1520 | | The Sultanate of Maguindanao is established. |
| 1521 | 13 August | The combined forces of Hernán Cortés conquer Tenochtitlan, capital of the Aztec Empire. The Kingdom of Spain subsequently renames the region Viceroyalty of New Spain. The destroyed capital is rebuilt and renamed México. |
| 1521 | | Mayadunne establishes the Kingdom of Sitawaka in Sri Lanka from the Sinhala Kingdom at Kotte. Sitawaka is the capital. |
| 1521 | | A combined Portuguese-Hormuz force led by António Correia conquered Bahrain but briefly lost it to the princes of Al-Hasa the same year. In response, the Portuguese sent another expedition to Bahrain and the Arabian coast to subdue the Al-Hasa and stop their attempts to regain power. |
| 1522 | | Ferdinand Magellan circumnavigates the Earth. |
| 1523 | | The Kalmar Union is dissolved. |
| 1525 | 14 January | The Teutonic Order relinquishes its rights over its autonomous Livonian Order. |
| 1525 | 10 April | The Duchy of Prussia emerges from the State of the Teutonic Order. Königsberg is the capital. |
| 1526 | | Babur defeats the sultan of Delhi, establishing the Mughal Empire. Agra is the capital. |
| 1526 | | Archduke Ferdinand of Austria is elected the next King of Bohemia and Hungary following the death of Louis II of Hungary and Bohemia, ruling the lands which would come to be known as the Habsburg monarchy. |
| 1526 | | After the Battle of Mohács, large parts of Hungary and Croatia fall to the Ottoman Empire. |
| 1527 | | Thái Tổ establishes the Mạc dynasty in Vietnam. |
| 1527 | | The Kingdom of Croatia is established as part of the Habsburg monarchy. Zagreb is the capital. |
| 1527 | | The Bahmani Sultanate is dissolved. |
| 1528 | | The County of Lippe is established from the Lordship of Lippe. Detmold is the capital. |
| 1529 | 22 April | Representatives of the Kingdom of Portugal and the Kingdom of Spain sign the Treaty of Zaragoza, settling each nation's legal boundary of conquest in Asia and Oceania at a meridian c. 144°40' west of Greenwich. |
| 1529 | | Spain creates the Governorate of New Castile and New Toledo in South America. |
| 1529 | 14 October | The First Siege of Vienna by the Ottoman Empire fails. |
| 1530 | 26 October | The Order of Saint John annexes Malta and moves the capital from Mdina to Birgu. |
| 1530 | | The Duchy of Mantua is established in northern Italy. Mantua is the capital. |
| 1532 | | The Kingdom of France annexes the Duchy of Brittany. |
| 1532 | | The Duchy of Florence replaces the Republic of Florence. Florence remains the capital. |
| 1533 | 15 November | Francisco Pizarro leads an army into Cuzco, completing the Spanish conquest of the Inca Empire. |
| 1533 | | The Later Lê dynasty in Vietnam is restored under Trang Tông. |
| 1534 | | The Kingdom of Portugal divides its Colony of Brazil into 15 independent captaincies. |
| 1534 | | Spain creates the Governorate of New Andalusia and New León in South America. |
| 1534 | | The colony of New France is established in North America. |
| 1534 | | The Ottoman Empire conquers Baghdad from the Safavids. |
| 1537 | | Denmark-Norway emerges as a dual monarchy after the withdrawal of the Kingdom of Sweden from the Kalmar Union. |
| 1536 | | King Ferdinand I moves the capital of the Hungarian Kingdom to Pozsony. |
| 1539 | 24 January | Spain claims the territories to the south of the Strait of Magellan creating the Governorate of Terra Australis. |
| 1540 | | Sher Shah Suri establishes the Sur Empire, which dominates northern India and follows the Mughal Empire. Sasaram is the capital. |
| 1542 | | The Kingdom of Ireland supersedes the feudal Lordship of Ireland. |
| 1542 | | The Kingdom of England annexes the Principality of Wales. |
| 1542 | | The Viceroyalty of Peru is established as an overseas territory of Spain. |
| 1545 | | The Trịnh lords establish de facto control over northern Vietnam. |
| 1545 | | The Duchy of Parma is established from parts of the Duchy of Milan. |
| 1547 | | Ivan the Terrible proclaims the Tsardom of Russia, which follows the Grand Duchy of Moscow. Moscow is the capital. |
| 1548 | | County of Stolberg is divided into Stolberg-Stolberg and Stolberg-Rochefort. |
| 1549 | | The Kingdom of Portugal establishes a central government for its Colony of Brazil, with Salvador as the capital. |
| 1549 | | The Saadi dynasty is established in Morocco. Taroudant is the capital. |
| 1550 | | The Kingdom of Loango is established. |
| 1552 | | The Ottoman Empire conquers Muscat from Portugal. |
| 1552 | | The Tsardom of Russia annexes the Khanate of Kazan. |
| 1554 | | Fall of the Wattasid dynasty in Morocco. |
| 1555 | | The Republic of Siena is conquered by the Kingdom of Spain and most of it is granted to the Duchy of Florence. The Stato dei Presidi remain with Spain. |
| 1555 | | The Safavids in Persia move their capital from Tabriz to Qazvin. |
| 1556 | | The Sur Empire is annexed by the restored Mughal Empire. |
| 1557 | | Portugal establishes a settlement in Macau. |
| 1558 | 18 July | Russia conquers the Bishopric of Dorpat in Estonia. |
| 1558 | | France reconquers Calais from England. |
| 1558 | | The Nguyễn lords establish de facto control over central and southern Vietnam. |
| 1559 | November | The Bishopric of Ösel-Wiek in Western Estonia is sold to Denmark. |
| 1559 | | The Mali Empire moves its capital from Niani to Kangaba. |
| 1559 | | The Kingdom of Gorkha is founded. Gorkha is the capital. |
| 1560 | 20 May | The Bishopric of Courland in Western Latvia is sold to Denmark. |
| 1560 | | Lan Xang in Laos moves its capital from Luang Prabang to Vientiane. |
| 1561 | 4 June | The northern Livonian Order regions of Harrien-Wierland (without Reval) and Jerwen pledge allegiance to Sweden. |
| 1561 | 6 June | The northern Livonian Order town Reval pledges allegiance to Sweden. |
| 1561 | 28 November | The Treaty of Vilnius dissolves the Livonian Order, which is in part organized as the Principality of Livonia in personal union with Lithuania, and in part organized as the Lithuanian vassal state Duchy of Courland and Semigallia, taking effect on 5 March 1562. The Archbishopric of Riga also becomes a vassal state of Lithuania and the former condominium town of Riga becomes a free imperial city. |
| 1562 | | Turin replaces Chambéry as capital of the Duchy of Savoy. |
| 1563 | | Sweden conquers from Denmark the former areas of the Bishopric of Ösel-Wiek in Wiek and Dagö, leaving Denmark only with its possessions in Ösel. |
| 1564 | | The Bailiff of Soneburg of the former Livonian Order, now the Principality of Livonia, sells its bailiwick in the West Estonian archipelago to the Danish-controlled former Bishopric of Ösel-Wiek. In return, Denmark cedes its nominal rights over Swedish-controlled Wiek to the Lithuanian Principality of Livonia. |
| 1565 | | The Kingdom of Spain establishes a colony in the Philippines with its administrative centre in Cebu. |
| 1566 | 25 December | The Union of Grodno turns the personal union between the Principality of Livonia and Grand Duchy of Lithuania into a real union and the former is reorganized as the Duchy of Livonia. The Lithuanian vassal state Archbishopric of Riga is annexed to the Duchy of Livonia. |
| 1569 | 1 July | The Kingdom of Poland and the Grand Duchy of Lithuania unite to form the Commonwealth of the Crown of the Polish Kingdom and Grand Duchy of Lithuania. Vilnius yields to Kraków as the capital. |
| 1569 | 27 August | The Grand Duchy of Tuscany is established from the Duchy of Florence. Florence remains the capital. |
| 1570 | 10 June | The Kingdom of Livonia is established as a vassal state of Russia in some of its conquered lands in Livonia. |
| 1570 | 13 December | Denmark cedes its nominal rights over Dagö and the Polish-Lithuanian Commonwealth cedes its nominal rights over Harrien-Wierland (including Reval), Jerwen and Wiek to Sweden. |
| 1571 | 18 March | The Order of Saint John moves the capital of Malta from Birgu to Valletta. |
| 1571 | | The Mughal Empire moves its capital from Agra to Fatehpur Sikri. |
| 1571 | | The Kingdom of Spain conquers the Luzon Empire. |
| 1572 | 9 May | The Danish-controlled former Bishopric of Ösel-Wiek is annexed as Danish Ösel. |
| 1573 | | The Kingdom of Portugal divides the Colony of Brazil into North Brazil (capital at Salvador) and South Brazil (capital at Rio de Janeiro). |
| 1573 | | The Gujarat Sultanate is annexed by the Mughal Empire. |
| 1573 | | In Japan, the Azuchi-Momoyama period follows the Sengoku period. |
| 1573 | | The Ottoman Empire conquers the island of Cyprus from the Republic of Venice. |
| 1575 | | The Kingdom of Portugal establishes colonies on the coast of Angola. |
| 1575 | | The capital of Chile is moved from Concepción to Santiago. |
| 1576 | | The Bengal Sultanate is annexed by the Mughal Empire. |
| 1577 | | The Russian vassal state Kingdom of Livonia is disestablished. |
| 1577 | | The Adal Sultanate is disestablished. |
| 1578 | | The Kingdom of Portugal reunites North Brazil and South Brazil into the Colony of Brazil. The capital is Salvador. |
| 1578 | | The Danish-controlled Bishopric of Courland becomes a vassal state of the Polish-Lithuanian Commonwealth. |
| 1579 | | The Duchy of the Archipelago is annexed by the Ottoman Empire. |
| 1580 | July | Yermak Timofeyevich invades the territory of the Voguls, beginning the Russian conquest of Siberia. |
| 1580 | July | A personal union of the Monarchy of Spain and the Kingdom of Portugal results in the Iberian Union. |
| 1581 | 14 January | The Treaty of Drohiczyn cedes the free imperial city of Riga to the Polish-Lithuanian Duchy of Livonia. |
| 1581 | 26 July | The Republic of the Seven United Netherlands declares its independence from the Monarchy of Spain. |
| 1582 | 15 January | The Truce of Yam-Zapolsky cedes the Russian-controlled areas in former central and southern Livonia to the Polish–Lithuanian Commonwealth. |
| 1583 | 10 August | The Treaty of Plussa cedes all the remaining Russian-controlled areas in former Livonia to Sweden. |
| 1584 | 20 March | Areas under Swedish control in Northern Estonia are annexed as the Duchy of Estonia. |
| 1585 | | The Treaty of Kronborg formally cedes the nominally Danish but Polish-Lithuanian-controlled former Bishopric of Courland to the Polish-Lithuanian Commonwealth. |
| 1585 | | The Kingdom of Luba is established in central Africa. |
| 1586 | | The Mughal Empire moves its capital from Fatehpur Sikri to Lahore. In the same year the capital is moved again to Agra. |
| 1586 | | Portugal establishes the colony of Portuguese Timor. |
| 1590 | | Through its victory in the Ottoman-Safavid War, the Ottoman Empire expands eastwards. |
| 1591 | | Fall of the Songhai Empire in West Africa. |
| 1592 | | Japan invades the Korean Peninsula under Toyotomi Hideyoshi with the aim of attacking the Ming dynasty of China. |
| 1594 | | Vimaladharmasuriya I moves the capital of the Sinhala Kingdom to Kandy, Sri Lanka. |
| 1596 | | Willem Barentsz makes the first indisputable discovery of the Svalbard archipelago. |
| 1597 | | The Duchy of Ferrara becomes part of the Papal States. |
| 1598 | | Kuchum, Khan of Sibir, is killed in battle with Russian forces, thus completing the Russian conquest of Siberia. |
| 1598 | | Japan withdraws from the Korean Peninsula after being pushed back by Chinese and Korean troops. |
| 1598 | | The Safavids move their capital from Qazvin to Isfahan. |

## 17th century
### 1600s

| Year | Date | Event |
| c. 1600 | c. 1600 | The Kingdom of Dahomey is established. |
| 1600 | 31 December | The British East India Company is established. |
| 1601 | 17 January | France gains Bresse, Bugey, and Gex from Savoy, and cedes Saluzzo to Savoy in exchange. |
| 1602 | 20 March | The Dutch East India Company is established. |
| 1603 | | Tokugawa Ieyasu establishes the Tokugawa shogunate in Japan, which follows the Azuchi-Momoyama period. Edo is the capital. |
| 1607 | | The Virginia Colony is founded in North America. |
| 1608 | 14 May | The Protestant Union is founded in the Holy Roman Empire. |
| 1608 | 3 July | Quebec City is founded as the capital of New France. |
| 1608 | | The Kingdom of Portugal divides the Colony of Brazil into North Brazil (capital at Salvador) and South Brazil (capital at Rio de Janeiro) for the second time. |
| 1609 | 10 July | The Catholic League is founded in the Holy Roman Empire. |
| 1609 | | The Ryukyu Kingdom becomes a vassal state of the Tokugawa shogunate. |

### 1610s

| Year | Date | Event |
| 1610 | | Henry Hudson discovers Hudson Bay. |
| 1610 | | England establishes the Newfoundland Colony in North America. |
| 1612 | | The Kingdom of Portugal reunites North Brazil and South Brazil into the Colony of Brazil. The capital is Salvador. |
| 1614 | | The Kingdom of Portugal establishes the colony of Cacheu in what is now Guinea-Bissau. |
| 1616 | 30 October | Taizu establishes the Later Jin dynasty in China. |
| 1617 | 27 February | In the Treaty of Stolbovo, Sweden gains the Russian province and fortress of Kexholm (now Priozersk) and the province of Ingria including the fortress of Nöteborg (now Shlisselburg, Russia). |
| 1617 | 9 May | The Polish-Lithuanian vassal state Bishopric of Courland comes into personal union with Poland-Lithuania. |
| 1618 | 23 May | The Second Defenestration of Prague marks the beginning of the Thirty Years' War between the Catholic League and the Protestant Union in the Holy Roman Empire, which soon grips the whole of Europe. |
| 1618 | 27 August | The personal union of the Electorate of Brandenburg with the Duchy of Prussia creates Brandenburg-Prussia. Berlin and Königsberg are the respective capitals. |

### 1620s

| Year | Date | Event |
| 1620 | 21 December | Plymouth Colony is founded by the Pilgrim Fathers. |
| 1620 | | The Kasanje Kingdom is founded in central Africa. |
| 1620 | | The Danish East India Company establishes the colony of Danish India. |
| 1621 | 29 September | Nova Scotia is founded as a colony of the Kingdom of Scotland. |
| 1621 | | The Kingdom of Portugal divides the Colony of Brazil into the State of Brazil and the State of Maranhão. The capitals are Salvador and São Luis, respectively. |
| 1621 | | The Dutch West India Company is founded. |
| 1623 | | The Electorate of Bavaria emerged from the Duchy of Bavaria. Munich remains the capital. |
| 1624 | | The colony of New Netherland is established in North America. |
| 1624 | | The colony of Dutch Formosa is established on Taiwan. |
| 1626 | | The Dutch purchase the island of Manhattan and found New Amsterdam, which later becomes New York City. |
| 1627 | 17 February | The Kingdom of England colonizes Barbados, with its capital at Saint James Town. |
| 1629 | 26 September | The Truce of Altmark cedes most of the Duchy of Livonia in real union with the Polish-Lithuanian Commonwealth to Sweden as Swedish Livonia. The eastern part of the duchy is retained by Poland-Lithuania and is annexed as the Inflanty Voivodeship. |
| 1629 | | The Massachusetts Bay Colony is founded in North America. |
| 1629 | | The New Hampshire Colony is founded in North America. |
| 1629 | | The Carolina Colony is founded in North America. |

### 1630s

| Year | Date | Event |
| 1630 | | The Dutch establish the colony of Dutch Brazil. The capital is Mauritsstad (now Recife). |
| 1630 | | Sweden occupies the Duchy of Pomerania. |
| 1631 | | The Kingdom of Matamba is established in southwest Africa. |
| 1632 | | The Maryland Colony is founded. St. Mary's City is the capital. |
| 1632 | | The Kingdom of England colonizes Antigua. |
| 1635 | | Fasilides makes Gondar the first permanent capital of Ethiopia since the fall of the Zagwe Dynasty. |
| 1635 | | The Saybrook Colony is founded in what is now the U.S. state of Connecticut. Old Saybrook is the capital. |
| 1635 | | The Kingdom of France colonizes Guadeloupe, Martinique, and some islands of the Lesser Antilles. |
| 1636 | 3 March | The Connecticut Colony is founded in North America. Hartford is the capital. |
| 1636 | | The Colony of Rhode Island and Providence Plantations is founded in North America. |
| 1636 | | Taizong establishes the Qing dynasty in China. |
| 1637 | | Joseon becomes a tributary state of the Qing dynasty after the invasion of Korea. |
| 1638 | | The colony of New Sweden is established in North America. |
| 1638 | | The New Haven Colony is founded in what is now the U.S. state of Connecticut. New Haven is the capital. |
| 1638 | | The Dutch East India Company takes possession of Mauritius. |

### 1640s

| Year | Date | Event |
| 1640 | 1 December | The Kingdom of Portugal separates from personal union with the Monarchy of Spain. |
| 1640 | | The Emirate of Trarza is established in North Africa. |
| 1641 | | The Kingdom of Portugal loses Malacca, Annobón, and Angola to the Republic of the Seven United Provinces. |
| 1644 | 30 October | The Qing dynasty supersedes the Ming dynasty as the legitimate dynasty of China. Beijing is the capital. |
| 1644 | | Hongguang establishes the Southern Ming dynasty in China. |
| 1644 | | The Saybrook Colony is sold to the Connecticut Colony. |
| 1645 | 13 August | The Kingdom of Denmark and Norway, the Wends and the Goths cedes Jämtland, Härjedalen, Idre & Särna, Gotland, Ösel, and Halland, the latter for a period of 30 years, to the Kingdom of Sweden as part of the Treaty of Brömsebro. |
| 1646 | | The Vijayanagara Empire is dissolved. |
| 1648 | | The Kingdom of England colonizes the Bahamas. |
| 1648 | | The Thirty Years' War ends with the Peace of Westphalia. |
| 1648 | | The Netherlands, Switzerland, and many Italian city-states are made independent of the Holy Roman Empire (Peace of Westphalia). |
| 1648 | | The Duchy of Pomerania is divided between Sweden (Swedish Pomerania) and Brandenburg-Prussia (Farther Pomerania), although the precise borders would not be determined until 1653 (Peace of Westphalia). |
| 1648 | | France receives the cities of the Décapole in Alsace (except Strasbourg, the Diocese of Strasbourg, and Mulhouse) and the city of Pignerol from the Spanish Duchy of Milan (Peace of Westphalia). |
| 1648 | | The Mughal Empire moves its capital from Agra to Delhi. |
| 1648 | | The Kingdom of Portugal takes back Angola from the Republic of the Seven United Provinces. |
| 1649 | 19 May | The republican Commonwealth of England supersedes the Kingdom of England after the English Civil War. |
| 1649 | | Grenada is acquired by the Kingdom of France. |

### 1650s

| Year | Date | Event |
| 1650 | | The Commonwealth of England colonizes Anguilla with settlers from Saint Kitts. |
| 1652 | | The Dutch East India Company establishes the Dutch Cape Colony. |
| 1653 | 4 May | The precise borders between Swedish Pomerania and Farther Pomerania (Brandenburg-Prussia) are determined by the Treaty of Stettin. |
| 1654 | | During the Dutch-Portuguese War, the Kingdom of Portugal conquers the colony of Dutch Brazil from the Republic of the Seven United Provinces. |
| 1655 | | The colony of New Sweden falls to the Dutch. |
| 1656 | | The former Bishopric of Courland, until then in personal union with the Polish-Lithuanian Commonwealth, is sold to the Polish-Lithuanian vassal state Duchy of Courland and Semigallia and becomes its vassal state instead. |
| 1657 | | The Treaty of Bromberg gives the Duchy of Prussia its sovereignty. |
| 1658 | 26 February | Denmark-Norway cedes Skåne, Blekinge, Halland, Bornholm, Båhus, and Trøndelag to the Kingdom of Sweden as part of the Treaty of Roskilde. |
| 1658 | 16 December | The Commonwealth of England, Scotland and Ireland supersedes the Commonwealth of England, the Kingdom of Scotland, and the Kingdom of Ireland. Edinburgh and Dublin yield to London as the capital. |
| 1658 | | During the Dutch-Portuguese War, the Dutch gain control of Portuguese-held possessions in Sri Lanka from the Kingdom of Portugal. |
| 1659 | | The Kingdom of France establishes the colony of Saint-Louis as the first French settlement in Africa. |
| 1659 | | Treaty of the Pyrenees: Artois, Roussillon,and Perpignan are annexed by Kingdom of France. |
| 1659 | 5 May | The British East India Company takes possession of Saint Helena. |
| 1659 | | Fall of the Saadi dynasty in Morocco. |

### 1660s

| Year | Date | Event |
| 1660 | 4 April | The restored Kingdom of England, Kingdom of Scotland, and Kingdom of Ireland supersede the republican Commonwealth of England, Scotland and Ireland. London, Edinburgh, and Dublin are the respective capitals. |
| 1660 | 3 May | The Treaty of Oliva cedes Runö Island in Estonia from the Polish-Lithuanian vassal state Duchy of Courland and Semigallia to Sweden. |
| 1660 | 27 May | The Kingdom of Sweden cedes Trøndelag and Bornholm to Denmark-Norway as part of the Treaty of Copenhagen. |
| 1661 | 25 February | The former Bishopric of Courland, a vassal state of the Duchy of Courland and Semigallia (itself a vassal state of the Polish-Lithuanian Commonwealth), comes into personal union with Courland and Semigallia. |
| 1661 | 14 June | The Kingdom of Tungning is proclaimed in Taiwan. |
| 1661 | | Portuguese India cedes the port of Bombay to the British as dowry to King Charles II of England |
| 1661 | | The Kingdom of Portugal hands Tangier over to the Kingdom of England as a dowry. |
| 1662 | | The Southern Ming dynasty ends with the conquest by the Qing dynasty. |
| 1662 | | Dutch Formosa is conquered by the Southern Ming dynasty. |
| 1663 | | The Duchy of Massa and Carrara is established. Massa is the capital. |
| 1664 | | The Dutch Republic signs the Treaty of Breda, which cedes New Netherland to the Kingdom of England. |
| 1664 | | The Delaware Colony is founded in North America. New Castle is the capital. |
| 1664 | | The New Jersey Colony is founded in North America. |
| 1664 | | The New York Colony is founded in North America. New York City is the capital. |
| 1664 | | The New Haven Colony is merged into the Connecticut Colony. |
| 1664 | | The French East India Company is founded. |
| 1664 | | The Alaouite dynasty is established in Morocco. |
| 1665 | | The Kingdom of Lunda is established in central Africa. |
| 1665 | | The Kingdom of England establishes the Colony of Jamaica. Spanish Town is the capital. |
| 1666 | | The Khanate of Kalat is established. |
| 1666 | | The Kingdom of France conquers Anguilla from the Kingdom of England. |
| 1667 | 9 February | The Truce of Andrusovo. Left-Bank Ukraine, Kyiv, and Smolensk is given to the Russian Tsardom. Poland-Lithuania was left with Right-Bank Ukraine, and Russian-occupied Belarus with Vitebsk, Polotsk, and Dzwinsk. Zaporizhzhia was recognized as a condominium of both states. |
| 1667 | 31 July | The Kingdom of France returns Anguilla to the Kingdom of England according to the Treaty of Breda. |
| 1668 | 2 May | Kingdom of France acquires Armentières, Bergues, Charleroi, Kortrijk, Douai, Veurne, Lille, Oudenaarde and Tournai (Treaty of Aix-la-Chapelle). |

### 1670s

| Year | Date | Event |
| 1673 | | The Kingdom of France acquires Puducherry. |
| 1674 | | Shivaji establishes the Maratha Empire in Maharashtra. |
| 1676 | | Ottoman Empire gains parts of Podolia and parts of Central Ukraine from Poland-Lithuania |
| 1677 | | The Mạc dynasty of Vietnam collapses. |
| 1678 | August | The Treaty of Nijmegen is signed. Spain gives Franche-Comté, Ypres, Maubeuge, Câteau-Cambrésis, Valenciennes, Saint-Omer and Cassel to France and France restores Charleroi and Philippsburg |

### 1680s

| Year | Date | Event |
| 1680 | | The Kingdom of Burundi is established. |
| 1681 | | The Pennsylvania Colony is founded in North America. Philadelphia is the capital. |
| 1682 | | French explorer Robert de La Salle sails down the Mississippi River and claims all the lands along the river for France under the name Louisiana. |
| 1683 | 12 September | The Second Siege of Vienna by the Ottoman Empire fails. |
| 1683 | | The Tungning Kingdom is conquered by the Qing dynasty. The island of Taiwan falls back under the control of the Qing. |
| 1684 | | The English Crown Colony of Bermuda supersedes the Somers Isles Company. Hamilton is the capital. |
| 1684 | | The Kingdom of England hands Tangier over to the Alaouite dynasty. |
| 1685 | | The Kingdom of England colonizes Barbuda. |
| 1686 | | Russian Tsardom gains Kiev and Zaporizhzhia from Poland-Lithuania from Treaty of Eternal Peace |
| 1689 | | Wales ceases to have an official or administrative capital when Ludlow ceases to be the administrative capital following the end of the Council of Wales and the Marches. |
| 1689 | | Treaty of Nerchinsk is signed between Tsardom of Russia and Qing Dynasty. Russia gives up the area north of the Amur River as far as the Stanovoy Range and kept the area between the Argun River and Lake Baikal. |

### 1690s

| Year | Date | Event |
| 1692 | | The Massachusetts Bay Colony and Plymouth Colony are reorganized as the Province of Massachusetts Bay. |
| 1692 | | The Electorate of Hanover is established. Hanover is the capital. |
| 1695 | | The capital of Maryland Colony is moved from St. Mary's City to Annapolis. |
| 1697 | | The western half of the colony of Santo Domingo (Kingdom of Spain) on the island of Hispaniola is recognised as the colony of Saint-Domingue of the Kingdom of France (Peace of Ryswijk). |
| 1697 | | The Kingdom of France hands over territories to the Holy Roman Empire (Peace of Ryswijk). |
| 1697 | | The Kingdom of France recognizes the Kingdom of England (Peace of Ryswijk). |
| 1697 | | A personal union is established between the Electorate of Saxony and Poland-Lithuania. |
| 1699 | 26 January | The Ottoman Empire cedes the Eğri Eyalet, the Varat Eyalet, northern parts of the Temeşvar Eyalet, most of the Budin Eyalet, and parts of the Bosnia Eyalet to the Habsburg monarchy. This territory plus the Principality of Transylvania corresponds to most of the territory of mediaeval Hungary previously lost to the Ottomans (Ottoman Hungary). (Treaty of Karlowitz) |
| 1699 | 26 January | The Principality of Transylvania, while nominally independent, becomes de facto under Habsburg rule. (Treaty of Karlowitz) |
| 1699 | 26 January | The Ottoman Empire returns Podolia to Poland-Lithuania. (Treaty of Karlowitz) |
| 1699 | 26 January | The Ottoman Empire cedes Morea and most of Dalmatia to the Republic of Venice. (Treaty of Karlowitz) |

## 18th century
### 1700s

| Year | Date | Event |
| 1700 | 1 November | With the beginning of Philip V's reign over the Kingdom of Spain, Spain and its territories cease to be part of the Habsburg monarchy. |
| 1700 | | The Ottoman Empire cedes Azov to the Tsardom of Russia by the Treaty of Constantinople. |
| 1701 | 18 January | Brandenburg-Prussia becomes the Kingdom of Prussia. Berlin is the capital. |
| 1701 | | The Duchy of Mecklenburg is divided into Mecklenburg-Schwerin and Mecklenburg-Strelitz. |
| 1701 | | The Ashanti Empire is established in West Africa. Kumasi is the capital. |
| 1704 | October | The Kingdom of France and Spanish Empire take control of Nassau from the English, but soon abandon the city, returning control to the English. |
| 1704 | | The Mamluk dynasty in Iraq is established. Baghdad is the capital. |
| 1705 | | The Electorate of Hanover receives the Principality of Lüneburg and the Duchy of Saxe-Lauenburg. |
| 1706 | | End of the personal union between the Electorate of Saxony and Poland-Lithuania. |
| 1707 | 25 April | The Crown of Castile integrates the Kingdom of Valencia part of the Crown of Aragon through invasion (Battle of Almansa). |
| 1707 | 1 May | The Acts of Union 1707 unite the Kingdom of England and the Kingdom of Scotland to form the Kingdom of Great Britain. Edinburgh yields to London as the capital for all but judicial functions. |
| 1707 | 29 June | The Nueva Planta decrees abolish the Crown of Castile and make it part of the centralized Kingdom of Spain. |
| 1707 | | Lan Xang in Laos disintegrates into three parts: the Kingdom of Luang Phrabang in the north, the Kingdom of Vientiane in the middle, and the Kingdom of Champasak in the south. |
| 1709 | 21 April | Mirwais Hotak establishes the Hotak dynasty. Isfahan and Kandahar are the capitals. |
| 1709 | | Second personal union between the Electorate of Saxony and Poland-Lithuania. |
| 1709 | | The Khanate of Kokand is established in Central Asia as a spin-off of the Khanate of Bukhara. Kokand is the capital. |

### 1710s

| Year | Date | Event |
| 1710 | | The Kong Empire is established in West Africa. |
| 1711 | 21 July | The Tsardom of Russia returns Azov to the Ottoman Empire by the Treaty of the Pruth. |
| 1711 | | The Principality of Transylvania is integrated de jure into the Habsburg monarchy as a crown land. |
| 1711 | | Cap-François becomes the capital of the French colony of Saint-Domingue. |
| 1711 | | The Duchy of Mirandola becomes part of the Duchy of Modena and Reggio. |
| 1712 | | The Carolina Colony is split into the North Carolina Colony and the South Carolina Colony. |
| 1712 | | The Tsardom of Russia moves its capital from Moscow to Saint Petersburg. |
| 1713 | March–April | The Treaty of Utrecht is signed. The Kingdom of Great Britain takes sovereignty over Gibraltar and Menorca from the Kingdom of Spain. Spain also cedes Sicily and parts of the Duchy of Milan to Savoy; the Spanish Netherlands, the Kingdom of Naples, Sardinia, and the bulk of the Duchy of Milan to Charles VI, Holy Roman Emperor; and lands in South America between the Amazon River and the Oiapoque River to the Kingdom of Portugal. |
| 1713 | July | The Kingdom of France conquers Kaiserslautern, Landau, and Breisgau. |
| 1714 | 7 March | The Austrian Netherlands follow the Spanish Netherlands. Brussels is the capital. |
| 1714 | 7 March | The Duchy of Milan, the Kingdom of Sardinia, the Kingdom of Naples, and the Spanish Netherlands are ceded by the Kingdom of Spain to the Habsburg monarchy. |
| 1714 | 7 March | The Habsburg monarchy receives Freiburg im Breisgau and several other small territories on its eastern borders from France, but France keeps Landau. |
| 1714 | 11 September | Fall of the Crown of Aragon, invaded by the Crown of Castile, marked by the Siege of Barcelona and the annexation of the Principality of Catalonia. A unified Kingdom of Spain is created through the Nueva Planta decrees. |
| 1714 | | The Electorate of Hanover enters into a personal union with the Kingdom of Great Britain. |
| 1715 | 28 November | Spain integrates the Kingdom of Majorca, the last part of the Crown of Aragon, through invasion. |
| 1715 | | The Kingdom of Spain returns Colonia del Sacramento to the Kingdom of Portugal. |
| 1715 | | The Kingdom of France annexes Mauritius after the Dutch abandon it. |
| 1715 | | The Nueva Planta decrees abolish the Crown of Castile and make it part of the centralized Kingdom of Spain. |
| 1717 | 27 May | The Viceroyalty of New Granada is established from parts of the Viceroyalty of Peru as an overseas territory of the Kingdom of Spain. |
| 1717 | | The former Bishopric of Courland, until then in personal union with the Duchy of Courland and Semigallia (itself a vassal state of the Polish-Lithuanian Commonwealth), comes into personal union directly with Poland-Lithuania. |
| 1718 | 21 July | The Ottoman Empire cedes to the Habsburg monarchy the territories of Banat, southeastern Syrmia, central Serbia, part of northern Bosnia, and part of Wallachia (an Ottoman vassal) known as Oltenia (Treaty of Passarowitz). |
| 1718 | 21 July | The Kingdom of Serbia is established as a Habsburg crown land (Treaty of Passarowitz). |
| 1718 | 21 July | The Banat of Temeswar is established as a Habsburg crown land (Treaty of Passarowitz). |
| 1718 | 21 July | Venice returns Morea (gained by the Treaty of Karlowitz) and its Cretan holdings to the Ottomans. |
| 1718 | 21 July | The Ottoman Empire cede parts of Dalmatia (Imotski, Sinj, and Vrgorac). |
| 1719 | 9 November | Sweden cedes Bremen-Verden to the Electorate of Hanover. |

### 1720s

| Year | Date | Event |
| 1720 | 21 January | Sweden cedes the portion of Swedish Pomerania south of the Peene and east of the Peenestrom to Prussia. |
| 1720 | | The Duchy of Savoy receives the Kingdom of Sardinia from the Habsburg monarchy in exchange for Sicily. |
| 1720 | | The Electorate of the Palatinate moves its capital from Düsseldorf to Mannheim. |
| 1721 | 30 August | Swedish Estonia, Ingria, Livonia, and most of Karelia is ceded by Sweden to the Tsardom of Russia according to the terms of the Treaty of Nystad. |
| 1721 | 22 October | Peter the Great proclaims the Russian Empire from the Tsardom of Russia. |
| 1723 | | The Viceroyalty of New Granada again becomes part of the Viceroyalty of Peru. |
| 1728 | | On Greenland (then part of Denmark-Norway), Hans Egede founds the colony of Godthåb. |

### 1730s

| Year | Date | Event |
| 1732 | | The Georgia Colony is founded in British North America. Savannah is the capital. |
| 1736 | | The Afsharid dynasty is established in Persia and follows the Safavid dynasty. Mashhad is the capital. |
| 1737 | | The Kingdom of Portugal moves the capital of its colonial State of Maranhão from São Luís to Belém. |
| 1738 | | The Hotak dynasty is disestablished. |
| 1738 | | Habsburg Monarchy loses the crowns of Naples and Sicily to Charles of Parma, the Duchy of Lorraine to Stanislaus Leszczyński, the Duchy of Parma to Austria, the Grand Duchy of Tuscany to Francis Stephen, the Polish-Lithuanian Commonwealth loses direct control over the Duchy of Courland and Semigallia. |
| 1739 | 1 January | Jean-Baptiste Charles Bouvet de Lozier discovers Bouvet Island in the South Atlantic Ocean. |
| 1739 | 18 September | The Habsburg monarchy cedes the Kingdom of Serbia, the southern part of the Banat of Temeswar, and northern Bosnia to the Ottoman Empire (Treaty of Belgrade). |
| 1739 | 18 September | The Habsburg monarchy returns Oltenia to Wallachia (Treaty of Belgrade). |
| 1739 | | The Viceroyalty of New Granada is again separated from the Viceroyalty of Peru. |

### 1740s

| Year | Date | Event |
| 1740 | | The Oyo Empire is established in West Africa. |
| 1742 | | Treaty of Berlin:Silesia is Partitioned between Prussia and the House of Habsburg;Prussia receives the majority of silesia while Austria retains a smaller area hence known as Austrian Silesia |
| 1744 | | The Kingdom of Matamba is annexed to Portuguese Angola. |
| 1745 | | The kingdoms of Croatia and Slavonia are unified into the Kingdom of Croatia-Slavonia within the Habsburg monarchy. Zagreb is the capital. |
| 1745 | | The Kingdom of Swaziland is established in southern Africa. |
| 1747 | October | The Durrani Empire is founded near Kandahar on a Loya jirga, when Ahmad Shah Abdali is chosen as the king of the newly independent empire. He is later regarded as the founder of modern Afghanistan. |
| 1747 | | The Safavid Empire collapses. |
| 1748 | 18 October | Duchies of Parma, Piacenza, and Gustalla ceded to the Spanish Bourbons (Treaty of Aix-la-Chapelle). |

### 1750s

| Year | Date | Event |
| 1750 | 13 January | The Kingdom of Spain and the Kingdom of Portugal sign the Treaty of Madrid. Based on the uti possidetis concept, Portugal gains lands on the actual south, central, and north regions of Brazil. The treaty also stipulates that Spain receive the Colonia del Sacramento and Portugal the Misiones Orientales. |
| 1751 | 21 September | Through the Treaty of Strömstad, the border between Sweden and Norway is finally settled, from the beginning of the land border in Iddefjord until Norway's border on Russia at Varanger (since Finland was part of Sweden at this time, the border between the two countries continued beyond the present end point of the border between Norway and Sweden). |
| 1751 | | The Kingdom of Portugal changes the name of its colonial State of Maranhão to State of Great-Pará and Maranhão. |
| 1751 | | Karim Khan establishes the Zand dynasty in Persia. Shiraz is the capital. |
| 1752 | | Establishment of the Konbaung dynasty in Burma. Shwebo is the capital. |
| 1752 | | The Sheikdom of Kuwait is established. Kuwait City is the capital. |
| 1753 | | During the Seven Years' War, France occupies the island of Menorca. |
| 1757 | | The British East India Company gains control of Bengal from the Mughal Empire, initiating the British Raj in India. |
| 1758 | | The Dzungar Khanate is annexed by the Qing dynasty of China. |
| 1758 | | The Kingdom of Great Britain conquers Senegambia from the Kingdom of France. |
| 1758 | | The Sultanate of Sulu becomes independent from the Bruneian Empire. |

### 1760s

| Year | Date | Event |
| 1761 | 12 February | The Kingdom of Spain and the Kingdom of Portugal sign the Treaty of El Pardo, nullifying the Treaty of Madrid. |
| 1762 | 13 November | Following the end of the French and Indian War in North America, the Louisiana Territory is transferred from France to Spain in the secret Treaty of Fontainebleau. |
| 1762 | | The Kingdom of Kartli and the Kingdom of Kakheti unite to form the Kingdom of Kartli-Kakheti. Tbilisi is the capital. |
| 1763 | 10 February | The Seven Years' War ends with the Treaty of Paris, which formalizes a number of territorial transfers between Great Britain, France, and Spain; among these is the transfer of the northernmost parts of New France (present-day Canada) to the British. |
| 1763 | 12 February | The Kingdom of Portugal moves the capital of its colony of the State of Brazil from Salvador to Rio de Janeiro. |
| 1763 | | End of the second personal union between the Electorate of Saxony and Poland-Lithuania. |
| 1765 | | The Grand Duchy of Transylvania follows the Principality of Transylvania. |
| 1766 | | France annexes the Duchy of Lorraine. |
| | 4 October | The Falkland Islands start depending from the Governorate of Buenos Aires instead of Kingdom of Chile. |
| 1767 | | Ayutthaya, capital of the Ayutthaya Kingdom, is destroyed during the Burmese–Siamese War. The Thonburi Kingdom follows the Ayutthaya Kingdom in Siam. |
| 1768 | 15 May | Genoa sells to France its rights to Corsica. |
| 1768 | 21 December | Prithvi Narayan Shah unifies the Kingdom of Nepal. Kathmandu is the capital. |

### 1770s

| Year | Date | Event |
| 1770 | 28 April | James Cook reaches Australia and takes possession of the land for the Kingdom of Great Britain. |
| 1770 | | The capital of the French colony of Saint-Domingue is moved from Cap-François to Port-au-Prince. |
| 1772 | 5 August | The Kingdom of Galicia and Lodomeria is founded as the crown land of the Habsburg monarchy. Lemberg is the capital. |
| 1772 | 5 August | First partition of Poland. |
| 1772 | | The Kingdom of Portugal divides its colony of the State of Great-Pará and Maranhão into the State of Great-Pará (capital at Belém) and the State of Maranhão (capital at São Luis). |
| 1772 | | Following Ayutthaya's destruction in 1767, the new capital of Siam is created in Thonburi. |
| 1774 | | The County of Oldenburg is made the Duchy of Oldenburg. |
| 1775 | | The Kingdom of Portugal reunites its South American colonies of the State of Brazil, the State of Great-Pará, and the State of Maranhão into the Colony of Brazil. Rio de Janeiro is the capital. |
| 1775 | | The Habsburg monarchy annexes the northwestern part of Moldavia (later known as Bukovina). |
| 1776 | 4 March | The American colonies occupy Nassau from the British during the American Revolutionary War. |
| 1776 | 17 March | The American colonies abandon Nassau, returning control to the British during the American Revolutionary War. |
| 1776 | 4 May | The Colony of Rhode Island and Providence Plantations declares its independence from the Kingdom of Great Britain. Providence is the capital. |
| 1776 | 4 July | Thirteen British colonies in North America, including the State of Rhode Island and Providence Plantations, collectively declare their independence from the Kingdom of Great Britain, as the United States of America. Philadelphia is the first of eight cities that will serve as a temporary capital until 1800. |
| 1776 | 20 December | The United States of America moves its temporary capital from Philadelphia to Baltimore. |
| 1776 | | The Viceroyalty of the Río de la Plata is separated from the Viceroyalty of Peru. The Kingdom of Chile losses the cities of Mendoza and San Juan (Cuyo Province). Buenos Aires is the capital. |
| 1776 | | The Durrani Empire moves its capital from Kandahar to Kabul. The winter capital is Peshawar. |
| 1777 | 15 January | The Republic of New Connecticut declares its independence from the Kingdom of Great Britain. Westminster is the temporary capital. |
| 1777 | 4 March | The United States of America moves its temporary capital back from Baltimore to Philadelphia. |
| 1777 | 4 June | The Republic of New Connecticut moves its capital from Westminster to Windsor. |
| 1777 | 8 July | The Republic of New Connecticut changes its name to the Vermont Republic. |
| 1777 | 27 September | The United States of America moves its temporary capital from Philadelphia to Lancaster for one day, following the capture of Philadelphia by British forces. |
| 1777 | 30 September | The United States of America moves its temporary capital from Lancaster to York. |
| 1777 | 1 October | The Kingdom of Spain and the Kingdom of Portugal sign the First Treaty of San Ildefonso, confirming almost all the borders defined by the Treaty of Madrid, with the exception that Spain will rule both Colonia del Sacramento and the Misiones Orientales. |
| 1778 | 11 June | The Vermont Republic claims the "East Union", consisting of some towns in New Hampshire which had petitioned earlier in the year to join with Vermont. Vermont never gains full control over the area. |
| 1778 | 27 July | The United States of America moves its temporary capital from York back to Philadelphia. |
| 1778 | 21 October | The Vermont Republic rescinds its claim to the "East Union", consisting of some towns in New Hampshire. |
| 1778 | | Thái Đức establishes the Tây Sơn dynasty in Vietnam. |
| 1778 | | The Kingdom of Portugal cedes Annobón and Bioko to the Kingdom of Spain. |
| 1778 | | The Kingdom of Champasak becomes a vassal state of Siam. |

### 1780s

| Year | Date | Event |
| 1781 | 4 April | The Vermont Republic once again claims the "East Union", consisting of some towns in New Hampshire that wish to join with Vermont, though the exact extent of the borders is unknown. Vermont never gains full control over the area. |
| 1781 | June–July | The Vermont Republic claims the "West Union", consisting of some towns in New York. The specific date this occurs is unclear; sources suggest 16 June, 26 June, and 18 July. |
| 1782 | 22 February | The Vermont Republic abandons its claims of the East Union from New Hampshire and the West Union from New York. |
| 1782 | 21 April | Siam moves its capital from Thonburi to Bangkok. |
| 1782 | 6 May | The Spanish Empire captures The Bahamas from the Kingdom of Great Britain. |
| 1783 | 20 January | Great Britain surrenders East Florida and West Florida to Spain. |
| 1783 | 18 April | The Kingdom of Great Britain recaptures The Bahamas from the Spanish Empire. |
| 1783 | 19 April | The Crimean Khanate is annexed by the Russian Empire and incorporated as the Taurida Governorate. |
| 1783 | 3 September | The Kingdom of Great Britain signs the Treaty of Paris, formally recognizing the independence of the United States of America. |
| 1783 | 3 September | Rule over Senegambia is redistributed between the Kingdom of Great Britain and the Kingdom of France. The French get most of Senegambia (present-day Senegal) and the British get the Gambia Valley (present-day Gambia). |
| 1783 | 26 November | The United States of America moves its temporary capital from Philadelphia to Princeton, and then to Annapolis. |
| 1783 | | The Province of Trinidad moves its capital from San José de Oruña to Puerto de España. |
| 1784 | 1 July | King Gustav III of Sweden acquires the island of Saint Barthélemy in the Caribbean from France. It becomes a Swedish colony for nearly a century. |
| 1784 | 1 November | The United States of America moves its temporary capital from Annapolis to Trenton. |
| 1784 | | King Joseph II moves the capital of the Hungarian Kingdom back to Buda. |
| 1784 | | Russian seafarer and merchant Grigory Ivanovich Shelikhov arrives in Three Saints Bay in Alaska. |
| 1784 | | The Khanate of Kalat hands over Gwadar to Oman. |
| 1785 | 11 January | The United States of America moves its temporary capital from Trenton to New York City. |
| 1785 | | The Emirate of Bukhara follows the Khanate of Bukhara. |
| 1787 | | Andrianampoinimerina establishes the Kingdom of Madagascar. Antananarivo is the capital. |
| 1788 | 26 January | The British colony of New South Wales is established in Australia. |
| 1789 | | The Later Lê dynasty of Vietnam collapses. |
| 1789 | | The Principality of Lippe is formed from the County of Lippe. |

### 1790s

| Year | Date | Event |
| 1790 | 11 January | The United States of Belgium declares its independence from the House of Habsburg. Brussels is the capital. |
| 1790 | 6 December | The United States of America moves its temporary capital from New York City to Philadelphia pending the construction of the new capital permitted by the new United States Constitution. |
| 1790 | 7 December | The United States of Belgium capitulates to the House of Habsburg. |
| 1791 | 4 March | The Vermont Republic joins the United States of America as the State of Vermont. Windsor yields to Philadelphia as the federal capital. |
| 1792 | 28 January | The Principality of Ansbach and the Principality of Bayreuth become part of the Kingdom of Prussia. |
| 1792 | 21 September | The first French Republic supersedes the Kingdom of France. |
| 1792 | 17 December | Most of the Prince-Bishopric of Basel becomes the Rauracian Republic, retaining only Schliengen. |
| 1792 | | The Dutch West India Company is dissolved. |
| 1793 | 23 January | Second partition of Poland. |
| 1793 | 2 March | France annexes the Principality of Salm-Salm. |
| 1793 | 23 March | The Rauracian Republic is annexed by France to form the département of Mont-Terrible. |
| 1793 | 25 June | Avignon is transferred from the Papal States to the French First Republic. |
| 1794 | | Aga Mohammed Khan establishes the Qajar dynasty in Persia after the collapse of the Zand dynasty. Tehran is the capital. |
| 1794 | | The Republic of Senarica is annexed by the Kingdom of Naples. |
| 1795 | 19 January | The Batavian Republic supersedes the Republic of the Seven United Netherlands. Amsterdam is the capital. |
| 1795 | 24 October | The Polish-Lithuanian Commonwealth is partitioned. Its vassal state Duchy of Courland and Semigallia and the former Bishopric of Courland, until then in personal union with Poland-Lithuania, are annexed to the Russian Empire together as its Courland Governorate. |
| 1795 | | France annexes Southern Netherlands and the Duchy of Bouillon. |
| 1795 | | The Dutch lose its territories held in Malacca and Sri Lanka to the British. |
| 1796 | 25 April | Spain cedes the northern half of West Florida to the United States of America. |
| 1796 | 10 May | The Napoleonic Cispadane Republic is created in northern Italy from the Duchy of Modena and Reggio, the Duchy of Massa and Carrara and the Papal States. Modena is the capital. |
| 1797 | 17 April | The Habsburg monarchy annexes the Republic of Venice. |
| 1797 | 14 July | The Republic of Genoa becomes the Napoleonic Ligurian Republic. Genoa is the capital. |
| 1797 | 18 October | The Austrian Netherlands and various Mediterranean islands, including Corfu, are ceded to France. (Treaty of Campo Formio) |
| 1797 | 18 October | The Republic of Venice is dissolved. Venetia (the eastern portion of Domini di Terraferma, roughly modern Veneto and Friuli-Venezia Giulia), Istria, and Dalmatia are annexed by Austria. (Treaty of Campo Formio) |
| 1797 | 18 October | Austria recognizes the Cisalpine Republic and Ligurian Republic. (Treaty of Campo Formio) |
| 1797 | 18 October | The Kingdom of Italy is recognized as defunct and all subordinate territories are formally released from the Holy Roman Empire. (Treaty of Campo Formio) |
| 1797 | | The Cispadane Republic becomes the Cisalpine Republic. Milan is the capital. |
| 1798 | 4 January | France annexes Mulhouse. |
| 1798 | 15 March | The Kingdom of Chile is separated from the Viceroyalty of Peru. Santiago is the capital. |
| 1798 | 12 April | The Napoleonic Helvetic Republic is declared. Aarau is the capital. |
| 1798 | 11 June | The Order of Saint John capitulates to French forces and Malta is under French occupation with Valletta remaining the capital. |
| 1798 | 21 July | France conquers Egypt from the Ottoman Empire. |
| 1798 | 28 October | The Gozitan Nation gains de facto independence from Malta with Rabat as its capital. |
| 1799 | 7 July | Establishment of the Sikh Empire after capture of Lahore by Maharaja Ranjit Singh and unification of the Sikh Confederacy under him. |
| 1799 | | The Principality of Lippe follows the County of Lippe. |
| 1799 | | The Dutch East India Company is dissolved. |

## 19th century
### 1800s

| Year | Date | Event |
| 1800 | 5 September | French forces in Malta surrender to the British. The island becomes the British protectorate of Malta with Valletta as capital. |
| 1800 | 1 October | After a secretly negotiated treaty between France and Spain, Spain returns the North American colony of Louisiana to France. |
| 1800 | 17 November | The United States of America moves its capital from Philadelphia to its permanent location at Washington in the District of Columbia. |
| 1800 | 1 February | The Dutch East Indies are established by the Batavian Republic after the dissolution of the Dutch East India Company. Batavia is the capital. |
| 1800 | 17 February | The French département of Mont-Terrible is merged into the département of Haut-Rhin. |
| 1801 | 1 January | The Kingdom of Great Britain and the Kingdom of Ireland unite to form the United Kingdom of Great Britain and Ireland. Dublin yields to London as the capital. |
| 1801 | 6 June | The Kingdom of Spain and the Kingdom of Portugal sign the Treaty of Badajoz, by which Spain cedes the South American Misiones Orientales to Portugal, and Portugal cedes Olivenza to Spain. |
| 1801 | 20 August | The Gozitan Nation is annexed by the British protectorate of Malta. |
| 1801 | 12 September | The Kingdom of Kartli-Kakheti is annexed by the Russian Empire. |
| 1801 | | Egypt again falls under the control of the Ottoman Empire. |
| 1802 | 26 January | The Cisalpine Republic is renamed the Italian Republic. |
| 1802 | 25 March | The United Kingdom establishes the Crown Colony of British Ceylon in Sri Lanka. |
| 1802 | | Napoleon separates the Canton of Valais from the Helvetic Republic to form the Rhodanic Republic. |
| 1802 | | Gia Long establishes the Nguyễn dynasty in Vietnam. Huế is the capital. |
| 1802 | | Trinidad becomes a British colony. |
| 1803 | 19 February | The Act of Mediation converts the Helvetic Republic into the Swiss Confederation. |
| 1803 | 27 April | The Reichsdeputationshauptschluss results in the following geopolitical changes: All but three ecclesiastical states of the Holy Roman Empire are either secularized or annexed by other states (the exceptions are the Archbishopric of Regensburg and the lands of the Teutonic Knights and Knights of Saint John). The Duchy of Salzburg (formerly the Archbishopric of Salzburg) is raised to an electorate. The Electorate of Baden emerges from the Margraviate of Baden. Karlsruhe is the capital. The Electorate of Baden receives the Electorate of Palatinate. The Electorate of Hesse emerges from the Landgravate of Hesse-Kassel. Kassel is the capital. The Principality of Regensburg is established. Regensburg is the capital. |
| 1803 | | The Ottoman Empire reconquers Iraq from the Mamluk dynasty. |
| 1804 | 1 January | The French colony of Saint-Domingue on Hispaniola declares its independence from the French Republic as Haiti. Port-au-Prince remains the capital. |
| 1804 | 4 March | The French Republic sells La Louisiane to the United States of America in the Louisiana Purchase. New Orleans (Nouvelle-Orléans) is the capital of the unorganized territory. |
| 1804 | 18 May | The first French Empire supersedes the first French Republic. |
| 1804 | 11 August | Francis II, Holy Roman Emperor, establishes the Austrian Empire. Vienna is the capital. |
| 1804 | 22 September | Jean-Jacques Dessalines establishes the Empire of Haiti. |
| 1804 | | The Kingdom of Galicia and Lodomeria becomes part of the Austrian Empire. |
| 1804 | | The Sokoto Caliphate is established. |
| 1805 | July | France annexes the Principality of Piombino and the Republic of Lucca and reconstitutes them as the Principality of Lucca and Piombino. |
| 1805 | 4 July | France annexes the Ligurian Republic. |
| 1805 | 26 December | The Electorate of Bavaria is raised to the Kingdom of Bavaria. Munich is the capital. |
| 1806 | 8 January | The United Kingdom establishes the Cape Colony. Cape Town is the capital. |
| 1806 | 5 June | The Kingdom of Holland (Netherlands) supersedes the Batavian Republic. |
| 1806 | 25 July | Napoleon I of France establishes the Confederation of the Rhine. Frankfurt is the capital. |
| 1806 | 6 August | Francis II, Holy Roman Emperor, dissolves the Holy Roman Empire of the German Nation. |
| 1806 | 13 August | The Grand Duchy of Hesse follows the Landgraviate of Hesse-Darmstadt. Darmstadt is the capital. |
| 1806 | 30 August | The Duchy of Nassau is established as a state of the Confederation of the Rhine. Weilburg and Wiesbaden are the capitals. |
| 1806 | 17 October | The Empire of Haiti collapses upon the assassination of Emperor Jacques I. Haiti splits in two, with the State of Haiti in the north and the Republic of Haiti in the south. The capitals are Milot and Port-au-Prince, respectively. |
| 1806 | 24 October | The Grand Duchy of Baden follows the Electorate of Baden. Karlsruhe is the capital. |
| 1806 | 20 December | The Electorate of Saxony is raised to the Kingdom of Saxony. Dresden is the capital. |
| 1807 | July | Napoleon Bonaparte creates the Duchy of Warsaw from land ceded by the Kingdom of Prussia by the Treaties of Tilsit. |
| 1807 | 9 September | The Free City of Danzig is established as a client state of France. |
| 1807 | 7 December | The Kingdom of Westphalia is established as a client state of France. |
| 1807 | 10 December | France annexes the Kingdom of Etruria. |
| 1808 | 1 January | Sierra Leone is established as a crown colony of the United Kingdom. Freetown is the capital. |
| 1808 | 31 January | The Kingdom of Italy annexes the Republic of Ragusa. |
| 1808 | 7 March | The Kingdom of Portugal and the Algarves removes the capital from Lisbon to exile in Rio de Janeiro, Brazil. |
| 1808 | | Spain becomes a client state of the First French Empire after the country is partially occupied by French forces and Joseph I is set as king by Napoleon. |
| 1809 | 29 March | The Russian Tsar is declared Grand-duke of Finland, effectively separating Finland from Sweden and turning it into a Russian autonomous duchy. |
| 1809 | 17 September | Sweden officially cedes Finland to Russia through the Peace of Hamina. |
| 1809 | 14 October | The Treaty of Schönbrunn results in the following geopolitical changes: Salzburg is ceded to the Kingdom of Bavaria. West Galicia is ceded to the Duchy of Warsaw. Tarnopol is ceded to the Russian Empire. Trieste and Croatia south of the Sava are ceded to France; these become the Illyrian provinces. |
| 1809 | | Napoleon Bonaparte dissolves the Teutonic Knights; their lands are redistributed between neighboring states of the Holy Roman Empire, mostly to Württemberg. |
| 1809 | | The United Kingdom occupies the Ionian Islands. |

### 1810s

| Year | Date | Event |
| 1810 | 20 February | The Russian Empire annexes the Kingdom of Imereti. |
| 1810 | April | Kamehameha I unifies the Kingdom of Hawaiʻi. |
| 1810 | 19 April | The First Republic of Venezuela is established, starting the Venezuelan War of Independence from Spain. |
| 1810 | 22 May | By the terms of the Treaty of Paris, the Principality of Regensburg is formally incorporated into the Kingdom of Bavaria. |
| 1810 | 25 May | During the May Revolution, the Spanish viceroy in the Viceroyalty of the Río de la Plata (Argentina, Bolivia, Paraguay, and Uruguay) is replaced by the Primera Junta, and the United Provinces of the Río de la Plata is established. Buenos Aires remains the capital. |
| 1810 | 13 July | The Kingdom of Holland (Netherlands) is annexed by the First French Empire. |
| 1810 | 20 July | Colombia declares its independence from the Monarchy of Spain. |
| 1810 | 16 September | Mexico declares its independence from the Monarchy of Spain. |
| 1810 | 18 September | Chile installs an autonomous government recognizing the Monarchy of Spain because of the absence of King Ferdinand VII. Santiago is the capital. |
| 1810 | 26 September | The Republic of West Florida declares independence from the Monarchy of Spain. |
| 1810 | 10 December | The United States of America takes control of the Republic of West Florida. |
| 1810 | 13 December | France annexes northern Germany (Hamburg, Bremen, Lübeck, Salm, Arenberg, Oldenburg, parts of Westphalia, and Berg). |
| 1810 | | The Principality of Bayreuth is sold to the Kingdom of Bavaria by France. |
| 1810 | | The Rhodanic Republic is annexed by France and becomes the département of Simplon. |
| 1811 | 28 March | The Kingdom of Haiti supersedes the State of Haiti. Cap-Haïtien is the capital. |
| 1811 | 14 May | Paraguay gains independence from the Monarchy of Spain. Asunción is the capital. |
| 1811 | 5 July | Venezuela declares independence from the Monarchy of Spain. |
| 1811 | 27 November | The United Provinces of New Granada (modern Colombia) are established. |
| 1811 | | The United Kingdom annexes the island of Java. |
| 1812 | 14 May | France annexes Catalonia from Spain, creating the départements of Bouches-de-l'Èbre, Montserrat, Sègre, and Ter. Andorra is also annexed and incorporated into the département of Sègre. |
| 1812 | 28 May | The eastern portion of the Principality of Moldavia (Bessarabia) is ceded to the Russian Empire by the Ottoman Empire in the Treaty of Bucharest. |
| 1812 | 28 July | The First Republic of Venezuela is crushed by the Spanish Empire. |
| 1813 | 23 July | The British Malta Colony supersedes the Malta Protectorate. |
| 1813 | 7 August | The Second Republic of Venezuela is declared. |
| 1813 | 12 October | Paraguay becomes the Republic of Paraguay. |
| 1813 | 19 October | The Confederation of the Rhine is dissolved. |
| 1813 | 26 October | The Kingdom of Westphalia is dissolved. |
| 1813 | 2 December | The Sovereign Principality of the United Netherlands is created from the ruins of the first French Empire. Amsterdam is the capital. |
| 1813 | 11 December | The Treaty of Valençay formally ends the Peninsular War, restoring Ferdinand VII of Spain and releasing the country from being a client state of the Napoleonic French Empire. |
| 1814 | 14 January | The Kingdom of Norway secedes from Denmark–Norway. Christiania is the capital. |
| 1814 | 29 March | The Netherlands are reestablished from France as the Sovereign Principality of the United Netherlands. |
| 1814 | 6 April | The restored Kingdom of France supersedes the First French Empire. |
| 1814 | 11 April | Napoleon Bonaparte abdicates from the Italian throne, effectively dissolving the Kingdom. |
| 1814 | 17 May | The Kingdom of Sardinia reclaims its mainland territory and annexes the land of the former Republic of Genoa, a move which is ratified by the Congress of Vienna the following year. |
| 1814 | 17 May | Denmark cedes Norway to Sweden through the Peace of Kiel. |
| 1814 | 17 May | The Kingdom of Norway declares full independence, electing its own king and adopting its own constitution. |
| 1814 | 2 October | The Monarchy of Spain reconquers Chile. |
| 1814 | 4 November | The Kingdom of Norway joins a personal union with the Kingdom of Sweden. Stockholm and Christiania are the capitals. |
| 1814 | | Various Italian states are reinstated, including the Duchy of Modena and Reggio and the Papal States. |
| 1814 | | The Principality of Andorra declares independence from the First French Empire. Andorra la Vella is the capital. |
| 1814 | | Java is returned from the United Kingdom to the Netherlands. |
| 1815 | 2 March | The Kandyan Convention disestablishes the Kingdom of Kandy and establishes British Ceylon in Sri Lanka. Colombo is the capital. |
| 1815 | 16 March | The United Kingdom of the Netherlands supersedes the Sovereign Principality of the United Netherlands. Amsterdam and Brussels are the joint capitals. |
| 1815 | 20 March | The first French Empire supersedes the Kingdom of France. |
| 1815 | 9 June | The Congress of Vienna results in the following geopolitical changes: The Kingdom of Lombardy–Venetia is formed from the Milanese and Venetian portions of the Kingdom of Italy and becomes a crown land of the Austrian Empire. Austria gains the territory of the former Republic of Ragusa. The Grand Duchy of Tuscany is re-established and given Piombino. The Duchy of Lucca is created in place of the former Republic of Lucca. The Duchy of Warsaw is partitioned into the Grand Duchy of Posen (Prussia), Congress Poland (Russia), and the Free City of Kraków (jointly controlled by Prussia, Russia, and Austria). The Kingdom of Prussia is awarded Danzig, much of the Kingdom of Saxony, Westphalia, and the Rhineland. The United Kingdom of the Netherlands is created from the former Dutch Republic and Austrian Netherlands, with Luxembourg in a personal union. Swedish Pomerania is ceded to Prussia. Hanover becomes the Kingdom of Hanover and annexes the former territories of the Bishop of Münster and East Frisia. The Duchy of Lauenburg is ceded by Hanover to Denmark. The Kingdom of Bavaria gains the Palatinate and parts of the Duchy of Würzburg and Grand Duchy of Frankfurt. Hesse-Darmstadt gains Rhenish Hesse. British control of various colonies, including the Cape Colony, Tobago, and Sri Lanka, is recognized. The United States of the Ionian Islands is formed as a British protectorate. The German Confederation is established. Frankfurt is the capital. |
| 1815 | 29 June | The Federal League, an alliance of several Argentine Provinces and what is now Uruguay, is established. |
| 1815 | 8 July | The restored Kingdom of France supersedes the first French Empire. |
| 1815 | 21 November | Miloš Obrenović establishes the Principality of Serbia. Kragujevac is the capital. |
| 1815 | 16 December | The United Kingdom of Portugal, Brazil and the Algarves supersedes the Kingdom of Portugal and the Algarves. Rio de Janeiro remains the capital-in-exile. |
| 1815 | | The capital of Bermuda is moved from St George to Hamilton. |
| 1816 | 9 July | The United Provinces in South America (Argentina, Bolivia, and Uruguay) declares its independence from the Monarchy of Spain. Buenos Aires remains the capital. |
| 1816 | 6 May | The Spanish reconquest of New Granada ends the early Colombian independent governments. |
| 1816 | | Shaka establishes the Zulu Kingdom in southern Africa. |
| 1816 | | The Kingdom of the Two Sicilies is established from the merger of the Kingdom of Sicily with the Kingdom of Naples. Palermo is the capital. |
| 1817 | 20 January | The United Kingdom of Portugal, Brazil and the Algarves occupies the Banda Oriental (Uruguay) as Cisplatina. |
| 1817 | 12 February | The State of Chile declares its independence from the Monarchy of Spain. Santiago is the capital. |
| 1817 | 5 April | The Battle of Maipú secures the independence of Chile from Spain. |
| 1817 | | The capital of the Kingdom of the Two Sicilies is moved from Palermo to Naples. |
| 1819 | 30 January | The Treaty of 1818 sets the 49th parallel north, west of the Lake of the Woods, as the international border between the United States of America and British North America, and also establishes the Oregon Country as a shared region. |
| 1819 | 7 August | The United Provinces of New Granada gains independence from the Monarchy of Spain. Bogotá is the capital. |
| 1819 | 17 December | Gran Colombia is established from the previous Second Republic of Venezuela, United Provinces of New Granada, and the Presidency of Quito. |

### 1820s

| Year | Date | Event |
| 1820 | 1 February | The Federal League defeats the central government of the United Provinces of the Río de la Plata in the Battle of Cepeda. The Federal League is dissolved and the Argentine Provinces resume their individual sovereignties, delegating their representation in foreign affairs to the Province of Buenos Aires. |
| 1820 | 8 October | The Kingdom of Haiti collapses upon the suicide of King Henri I. Haiti is unified under the Republic of Haiti with its capital at Port-au-Prince. |
| 1820 | | The Kingdom of Hawaiʻi establishes its capital at Lāhainā. |
| 1820 | | The Trucial States emerge as a British protectorate. |
| 1820 | | The Sultanate of Muscat and Oman is established from the merger of the Sultanate of Muscat and the Imamate of Oman. |
| 1821 | 19 February | In the Adams–Onís Treaty, the United States of America and the Kingdom of Spain define a border between their North American possessions, leading to some land being swapped. |
| 1821 | 25 March | Greece declares its independence from the Ottoman Empire. Nafplion is the capital. |
| 1821 | 3 July | The United Kingdom of Portugal, Brazil and the Algarves returns the capital from exile in Rio de Janeiro, Brazil, to Lisbon. |
| 1821 | 10 July | Spain formally cedes East Florida to the United States of America under the Adams–Onís Treaty. |
| 1821 | 17 July | Spain formally cedes West Florida to the United States of America under the Adams–Onís Treaty. |
| 1821 | 18 July | Cisplatina formally declares itself part of the United Kingdom of Portugal, Brazil and the Algarves. |
| 1821 | 28 July | Peru declares its independence from the Kingdom of Spain. Lima is the capital. |
| 1821 | 3 August | Peru becomes the State of Peru. |
| 1821 | 24 August | The Monarchy of Spain recognizes the independence of the Mexican Empire. |
| 1821 | 15 September | The Republic of Guatemala, the Republic of Honduras, the Republic of Nicaragua, and the Republic of El Salvador become independent from the Monarchy of Spain. Guatemala City, Comayagua, Managua, and San Salvador are the respective capitals. |
| 1821 | 21 September | The Republic of Costa Rica gains independence from the Monarchy of Spain. Cartago is the capital. |
| 1821 | 28 November | Panama gains independence from the Monarchy of Spain. |
| 1821 | December | Panama unites with Gran Colombia. |
| 1821 | 1 December | The Republic of Spanish Haiti gains independence from the Monarchy of Spain. Santo Domingo is the capital. |
| 1821 | | The Alaska Boundary Dispute between the Russian Empire and the United Kingdom begins. |
| 1821 | | The Gold Coast is established as a British colony. |
| 1822 | 9 February | Haiti annexes the Republic of Spanish Haiti. Santo Domingo yields to Port-au-Prince as the capital. |
| 1822 | 7 September | The Independent Kingdom of Brazil declares its independence from the United Kingdom of Portugal, Brazil and the Algarves. Rio de Janeiro is the capital. |
| 1822 | 12 October | The Empire of Brazil supersedes the Independent Kingdom of Brazil. |
| 1822 | 19 December | The Peruvian Republic supersedes the State of Peru. |
| 1823 | 16 May | The Republic of Costa Rica moves its capital from Cartago to San José. |
| 1823 | July | The Republic of Guatemala, the Republic of El Salvador, the Republic of Nicaragua, the Republic of Honduras, and the Republic of Costa Rica unite to form the Federal Republic of Central America. Guatemala City is the capital. |
| 1823 | 4 October | The United Mexican States supersedes the Mexican Empire upon the execution of Agustín de Iturbide. |
| 1823 | | The Emirate of Afghanistan follows the Durrani Empire. Kabul is the capital. |
| 1824 | 2 July | The Confederation of the Equator declares independence from the Empire of Brazil. Recife is the capital, but the Confederation capitulates and is reabsorbed later in the year. |
| 1824 | 6 August | Bolivia declares independence from the Monarchy of Spain and refuses to join either Peru or the United Provinces of South America. |
| 1824 | 9 December | The Battle of Ayacucho ends the Spanish American wars of independence in South America. |
| 1825 | 16 July | The border of the British colony of New South Wales is extended from 133°E to 129°E. |
| 1825 | 6 August | The Bolivian Republic gains independence from the Monarchy of Spain at the conclusion of the Bolivian War of Independence. Chuquisaca (later Sucre) is the capital. |
| 1825 | 25 August | Cisplatina declares its independence from the Empire of Brazil and reunites with the United Provinces of the Río de la Plata. |
| 1825 | 29 August | The United Kingdom of Portugal, Brazil and the Algarves recognizes the independence of the Empire of Brazil. |
| 1825 | 15 November | The United Kingdom of Portugal, Brazil and the Algarves changes its name back to the Kingdom of Portugal and the Algarves. |
| 1825 | 3 December | Van Diemen's Land is declared a separate British colony to New South Wales. |
| 1825 | | The Netherlands administratively combines its three colonies of Suriname, Curaçao and Dependencies (the ABC islands), and Sint Eustatius and Dependencies (the SSS islands). The capital is Paramaribo. |
| 1826 | 8 February | The United Provinces of the Río de la Plata is proclaimed as a centralist and unitary state. |
| 1826 | 9 July | The Republic of Chile supersedes the State of Chile. |
| 1826 | 14 August | The Straits Settlements administrative unit is established and managed by the British East India Company. It consists of Penang, Dinding, Malacca, and Singapore. |
| 1826 | | British Malaya is established and managed by the British East India Company. |
| 1826 | | Following the First Anglo-Burmese War, Burma is forced to cede Assam, Manipur, Arakan, and Tenasserim to the British East India Company. |
| 1826 | | The Duchy of Saxe-Coburg and Gotha is created from the merger of the Duchies of Saxe-Coburg and Saxe-Gotha. Coburg and Gotha are the respective capitals. |
| 1827 | 14 June | The United Kingdom claims the Bonin Islands. |
| 1827 | 18 August | The centralist and unitary state of the United Provinces of the Río de la Plata is dissolved. The Argentine Provinces resume their individual sovereignties, delegating their representation in foreign affairs to the Province of Buenos Aires. |
| 1828 | 27 August | The Banda Oriental gains independence from the United Provinces of the Río de la Plata as the Government and Provisional General Captaincy of the Oriental State of Uruguay. Montevideo is the capital. |
| 1828 | 27 August | The Misiones Orientales are awarded to the Empire of Brazil. |
| 1828 | | The Kingdom of Vientiane is annexed by Siam. |
| 1829 | | The British Swan River Colony is established in western Australia. |

### 1830s

| Year | Date | Event |
| 1830 | 3 February | The Ottoman Empire recognizes the independence of the First Hellenic Republic. Nafplio is the capital. |
| 1830 | 13 May | The Republic of Ecuador and the Republic of Venezuela declare independence from Gran Colombia. Quito and Caracas are the respective capitals. |
| 1830 | 28 June | The Oriental State of Uruguay is created from the Government and Provisional General Captaincy of the Oriental State of Uruguay. |
| 1830 | 5 July | The Unitarian League is created among the Argentine provinces of San Luis, La Rioja, Catamarca, Mendoza, San Juan, Tucumán, Córdoba, Salta, and Santiago del Estero. |
| 1830 | 4 October | Belgium declares its independence from the United Kingdom of the Netherlands. Brussels is the capital. |
| 1830 | | France conquers the Regency of Algiers from the Ottoman Empire. |
| 1831 | 4 January | The United Kingdom combines Essequibo-Demerara and Berbice as the Crown Colony of British Guiana. Georgetown is the capital. |
| 1831 | 4 January | The Federal Pact is signed by the Province of Buenos Aires, the Province of Entre Ríos, and the Province of Santa Fe, beginning the Argentine Confederation. |
| 1831 | 21 July | Belgium becomes the Kingdom of Belgium. |
| 1831 | 9 August | The Province of Mendoza joins the Federal Pact. |
| 1831 | 19 August | The Province of Corrientes joins the Federal Pact. |
| 1831 | 20 August | The Province of Córdoba and the Province of Santiago del Estero join the Federal Pact. |
| 1831 | 12 October | The Province of La Rioja joins the Federal Pact. |
| 1831 | 20 October | The Republic of New Granada supersedes Gran Colombia. |
| 1832 | 6 February | The colony of Western Australia supersedes the British Swan River Colony in Australia. |
| 1832 | 13 April | The Province of San Luis joins the Federal Pact. |
| 1832 | May | The Kingdom of Greece supersedes the First Hellenic Republic. |
| 1832 | May | The Province of San Juan joins the Federal Pact. |
| 1832 | 4 July | The Province of Salta joins the Federal Pact. |
| 1832 | 8 July | The Province of Tucumán joins the Federal Pact. |
| 1832 | 9 July | The Republic of Indian Stream declares independence from both the United States of America and the United Kingdom, as it was disputed territory. |
| 1832 | 3 September | The Province of Catamarca joins the Federal Pact. End of the Unitarian League. |
| 1833 | 3 January | The United Kingdom removes a garrison installed by the United Provinces of the Río de la Plata in October 1832, thereby reasserting its claim to sovereignty over the Falkland Islands. Port Louis becomes the capital. |
| 1833 | | The Falkland Islands become a colony of the United Kingdom. Port Louis is the capital. |
| 1834 | | The Republic of Maryland is established. Harper is the capital. |
| 1834 | | The Federal Republic of Central America moves its capital from Guatemala City to San Salvador. |
| 1834 | | The Kingdom of Greece moves its capital from Nafplio to Athens. |
| 1835 | 5 August | The Republic of Indian Stream is annexed by the United States of America. |
| 1835 | 23 October | The Mexican Republic supersedes the United Mexican States. |
| 1836 | 2 March | The Republic of Texas declares its independence from Mexico. Washington-on-the-Brazos is the first of six cities that will serve as the temporary capital until 1839. |
| 1836 | 17 March | The Republic of South Peru secedes from the Peruvian Republic. Cusco is the capital. |
| 1836 | 11 August | The Republic of North Peru supersedes the Peruvian Republic. |
| 1836 | 6 September | The Riograndense Republic declares independence from Brazil. Piratini is the first of five provisional capitals. |
| 1836 | 28 October | The Republic of North Peru, the Republic of South Peru, and the Bolivian Republic unite to form the Peru-Bolivian Confederation. Tacna is the capital. |
| 1836 | 28 December | The colony of South Australia is separated from the British colony of New South Wales. |
| 1838 | 5 November | The Republic of Costa Rica, the Republic of Nicaragua, and the Republic of Honduras secede from the Federal Republic of Central America. San José, Managua, and Comayagua are the respective capitals. |
| 1838 | 30 November | The United Kingdom annexes Pitcairn Island. |
| 1839 | 20 January | Chile and Peruvian dissidents win decisevly the Battle of Yungay against the Peru–Bolivian Confederation, starting the fall of the union. |
| 1839 | 19 April | The Grand Duchy of Luxembourg becomes independent, but remains in personal union with the Netherlands as a result of the Treaty of London. |
| 1839 | 24 July | The Juliana Republic declares independence from Brazil. Laguna is the capital. The Republic capitulates and is reabsorbed later in the year. |
| 1839 | 25 August | The Peruvian Republic and the Bolivian Republic are formed from the dissolution of the Peru-Bolivian Confederation. Lima and Sucre (previously Chuquisaca) are the respective capitals. |
| 1839 | 17 October | The Republic of Texas establishes its permanent capital at Austin. |
| 1839 | 17 November | The Republic of Guatemala secedes from the Federal Republic of Central America. Guatemala City is the capital. |
| 1839 | | The Principality of Serbia moves its capital from Kragujevac to Belgrade. |

### 1840s

| Year | Date | Event |
| 1840 | 16 November | The colony of New Zealand is separated from the British colony of New South Wales. |
| 1841 | 26 January | The United Kingdom conquers Hong Kong Island from the Qing dynasty. |
| 1841 | 2 February | The sole remnant of the Federal Republic of Central America changes its name back to the Republic of El Salvador. |
| 1841 | 10 February | The United Kingdom unites Upper Canada and Lower Canada as the Crown Colony of the United Province of Canada. Kingston is the capital. |
| 1841 | 24 September | James Brooke establishes the Kingdom of Sarawak. Kuching is the capital. |
| 1841 | 20 October | The Republic of Yucatán declares itself independent from Mexico. Mérida is the capital. |
| 1842 | 10 November | The Webster–Ashburton Treaty comes into effect, ending several border disputes between the United States of America and the United Kingdom. |
| 1844 | 27 February | The Dominican Republic gains independence from Haiti. Santo Domingo is the capital. |
| 1844 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from Kingston to Montréal. |
| 1845 | 1 March | The Riograndense Republic is reabsorbed by the Brazilian Empire as the province of Rio Grande do Sul again. |
| 1845 | 29 December | The Republic of Texas joins the United States of America as the State of Texas. Austin yields to Washington as federal capital while remaining capital of the state. |
| 1845 | | The Netherlands splits its colonial possessions in the Americas into two parts: Suriname and Curaçao and Dependencies. Paramaribo remains the capital of Suriname, while Willemstad on Curaçao becomes the capital of the six Caribbean islands. |
| 1845 | | The Kingdom of Hawaiʻi moves its capital from Lāhainā to Honolulu. |
| 1845 | | The United Kingdom moves the capital of the Falkland Islands from Port Louis to Stanley. |
| 1846 | 17 February | The colony of North Australia is separated from the British colony of New South Wales. |
| 1846 | 18 June | The Oregon Treaty establishes the 49th parallel north, from west of the Lake of the Woods, as the continental border between the Province of Canada and the United States of America. |
| 1846 | 22 August | The United Mexican States supersedes the Mexican Republic. |
| 1846 | 16 November | After the Kraków Uprising, the Free City of Cracow is annexed by the Austrian Empire. |
| 1846 | 28 November | The British colony of North Australia is reincorporated back into the colony of New South Wales. |
| 1846 | | The princely state of Kashmir and Jammu, ruled by the Dogra Dynasty, is created after the First Anglo-Sikh War, as per the Treaty of Amritsar. |
| 1847 | 26 July | The African-American colony of Liberia declares its independence as the Republic of Liberia. Monrovia is the capital. |
| 1848 | 2 February | The Mexican–American War ends with the Treaty of Guadalupe Hidalgo, by which the United Mexican States cedes all of its northernmost territories to the United States of America. |
| 1848 | 24 February | The Second French Republic supersedes the Kingdom of France. |
| 1848 | 5 December | The Grand Duchy of Posen is fully incorporated into the Kingdom of Prussia and becomes the Province of Posen. |
| 1848 | | French Algeria is made an integral part of France. |
| 1848 | | The Kazakh Khanate loses its sovereignty to the Russian Empire. |
| 1849 | 9 February | Rebels under Giuseppe Garibaldi take over the area of the Papal States and create the Roman Republic. |
| 1849 | 29 March | Following the Sikh defeat in the Second Anglo-Sikh War, the Sikh Empire falls and is merged with British India. |
| 1849 | 14 April | The Hungarian State declares its independence from the Habsburg monarchy. Debrecen is the temporary capital. |
| 1849 | 2 July | The Papal States are restored as Rome falls. |
| 1849 | 13 August | The Hungarian State capitulates to the Austrian Empire and the former status quo is restored. |
| 1849 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from Montréal to Toronto. |

### 1850s

| Year | Date | Event |
| 1850 | 9 December | The United Kingdom cedes less than one acre of underwater rock known as Horseshoe Reef in Lake Erie to the United States of America. |
| 1851 | 11 January | Hong Xiuquan establishes the Taiping Heavenly Kingdom in China. |
| 1851 | 1 May | The Argentine Provinces of Entre Ríos and Corrientes secede from the Argentine Confederation. |
| 1851 | 1 July | The colony of Victoria is split off from the British colony of New South Wales. |
| 1851 | | The Sultanate of Sulu becomes a protectorate of the Kingdom of Spain. |
| 1852 | 17 January | The South African Republic (Republic of Transvaal) is established. Pretoria is the capital. |
| 1852 | 3 February | The Battle of Caseros ends the Argentine Civil War. Entre Ríos and Corrientes rejoin the Argentine Confederation. The capital is moved to Paraná. |
| 1852 | 11 September | The Province of Buenos Aires secedes from the Argentine Confederation as the State of Buenos Aires. Buenos Aires remains the capital, and the Confederation is without a capital until 1854. |
| 1852 | 2 December | The Second French Empire supersedes the second Second French Republic. |
| 1852 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from Toronto to the city of Québec. |
| 1853 | March | The Taiping Heavenly Kingdom establishes its capital at Tianjing. |
| 1853 | 1 May | The Argentine Confederation becomes a federal republic renamed the Argentine Nation. |
| 1853 | 24 June | The United States of America makes the Gadsden Purchase, buying a tract of land from Mexico which later becomes the extreme southern parts of the U.S. states of Arizona and New Mexico. |
| 1854 | 23 February | The Orange Free State is established in southern Africa. Bloemfontein is the capital. |
| 1854 | 24 March | The Argentine Confederation moves its capital to Paraná. |
| 1855 | 7 February | Russians in north of Sakhalin Island, Japanese in south, with no defined border between. (Treaty of Shimoda) |
| 1855 | 7 February | The Russian Empire recognizes Japanese sovereignty over the Kuril Islands from Iturup southwards (Treaty of Shimoda). |
| 1856 | 1 January | The British colony of Van Diemen's Land changes its name to Tasmania. |
| 1856 | 30 March | Southern Bessarabia (part of the territory annexed by the Russian Empire in 1812) returns to Moldavia by the Treaty of Paris (1856). |
| 1856 | 28 October | The United States of America claims Baker Island and Jarvis Island under the Guano Islands Act. |
| 1856 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from the city of Québec back to Toronto. |
| 1856 | | The Sultanate of Zanzibar is established in East Africa. |
| 1857 | | The Kingdom of Kongo becomes a vassal of the Kingdom of Portugal. |
| 1857 | | The Republic of Maryland is annexed by Liberia. |
| 1858 | 22 May | The Republic of New Granada becomes the Granadine Confederation. |
| 1858 | 28 May | The Qing dynasty of China cedes what becomes known as Outer Manchuria to the Russian Empire by the Treaty of Aigun. |
| 1858 | 2 August | The continental portion of Canada's part of Oregon Country is organized as the Colony of British Columbia. |
| 1858 | 2 August | Following the Indian Rebellion of 1857, the Mughal Empire is dissolved, and the United Kingdom establishes British India by converting the former possessions of the British East India Company into a Crown Colony. Calcutta is the capital. |
| 1858 | 31 August | The United States of America claims Navassa Island under the Guano Islands Act. |
| 1858 | 3 December | The United States of America claims Howland Island under the Guano Islands Act. |
| 1858 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from Toronto back to the city of Québec. |
| 1859 | 24 January | Moldavia unites with Wallachia to form the United Principalities of Moldavia and Wallachia. |
| 1859 | 6 June | Queen Victoria signs a proclamation separating the colony of Queensland from British New South Wales. |
| 1859 | 6 September | The United States of America claims Johnston Atoll under the Guano Islands Act, disputing a claim by the Kingdom of Hawaii. |
| 1859 | 10 November | By the Treaty of Zürich, the Austrian Empire cedes Lombardy from Lombardy–Venetia to France. |
| 1859 | 10 November | France immediately cedes Lombardy to Kingdom of Sardinia. (Treaty of Zürich) |
| 1859 | 11 November | Following the Battle of Cepeda, the State of Buenos Aires rejoins the Argentine Confederation. |
| 1859 | 8 December | The Duchy of Parma, the Duchy of Modena and Reggio, the Grand Duchy of Tuscany, and the Papal Legations combine to form the Sardinian client state of the United Provinces of Central Italy. |
| 1859 | 27 December | The United States of America claims Enderbury Island, McKean Island, Phoenix Island, and Starbuck Island. |
| 1859 | 29 December | The United States of America claims Christmas Island and Malden Island under the Guano Islands Act. |
| 1859 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from Québec back to Toronto. |

### 1860s

| Year | Date | Event |
| 1860 | 8 February | The United States of America claims Atafu, Birnie Island, Butaritari, Caroline Island, Fanning Island, Flint Island, Gardner Island, Canton Island, Kingman Reef, Manihiki, Marakei, Nukunono, Palmyra Atoll, Penrhyn, Pukapuka, Rakahanga, Swains Island, Sydney Island, Vostok Island, and Washington Island under the Guano Islands Act. |
| 1860 | 22 March | The United Provinces of Central Italy are annexed by Kingdom of Sardinia. |
| 1860 | 14 May | The United States of America claims Alto Velo Island under the Guano Islands Act. |
| 1860 | 12 June | By the Treaty of Turin, the Second French Empire annexes the County of Nice from Kingdom of Sardinia. |
| 1860 | 14 June | By the Treaty of Turin, the Second French Empire annexes Savoy from Kingdom of Sardinia. |
| 1860 | 8 October | The Argentine Nation becomes the Argentine Republic. |
| 1860 | 21 October | The Kingdom of Two Sicilies is annexed to Kingdom of Sardinia, except for the Fortress of Gaeta. |
| 1860 | 4 November | The Kingdom of Sardinia annexes the Papal States of Umbria and The Marches. |
| 1860 | 20 December | The State of South Carolina secedes from the United States of America, declaring itself the Republic of South Carolina. |
| 1860 | | The British colony of South Australia's western border is changed from 132°E to 129°E. |
| 1860 | | Kashmir and Jammu annexes Gilgit. |
| 1861 | 9 January | The State of Mississippi secedes from the United States of America, declaring itself the Republic of Mississippi. |
| 1861 | 10 January | The State of Florida secedes from the United States of America, declaring itself the Republic of Florida. |
| 1861 | 11 January | The State of Alabama secedes from the United States of America, declaring itself the Alabama Republic. |
| 1861 | 19 January | The State of Georgia secedes from the United States of America, as the independent State of Georgia. |
| 1861 | 26 January | The State of Louisiana secedes from the United States of America, declaring itself the Republic of Louisiana. |
| 1861 | 1 February | The State of Texas secedes from the United States of America, declaring itself the Republic of Texas. |
| 1861 | 4 February | The Confederate States of America, formed from the seven seceding states, declare their independence from the United States of America. Montgomery, Alabama, is the capital for three months. |
| 1861 | 13 February | Gaeta surrenders to the Kingdom of Sardinia. |
| 1861 | 17 March | The Kingdom of Italy is proclaimed in place of the Kingdom of Sardinia. |
| 1861 | 28 March | The Arizona Territory secedes from the United States of America. |
| 1861 | 17 April | The Commonwealth of Virginia secedes from the United States of America and joins the Confederate States of America. |
| 1861 | 6 May | The State of Arkansas secedes from the United States of America and joins the Confederate States of America. |
| 1861 | 7 May | The State of Tennessee secedes from the United States of America and joins the Confederate States of America. |
| 1861 | 20 May | The State of North Carolina secedes from the United States of America and joins the Confederate States of America. |
| 1861 | 29 May | The Confederate States of America moves its capital from Montgomery, Alabama, to Richmond, Virginia. |
| 1861 | 31 May | The Kingdom of Bahrain becomes a protectorate of the United Kingdom. |
| 1861 | 17 September | Following the Battle of Pavón, the capital city of the Argentine Confederation is moved to Buenos Aires. |
| 1861 | 31 October | A splinter government of the State of Missouri declares the state's secession from the United States of America. |
| 1861 | 20 November | A splinter government of the State of Kentucky declares the state's secession from the United States of America. |
| 1861 | 28 November | The splinter government of Missouri is admitted to the Confederate States of America. |
| 1861 | 2 December | Paraná ceases to be the capital of the Argentine Confederation. |
| 1861 | 10 December | The splinter government of Kentucky is admitted to the Confederate States of America. |
| 1861 | 10 December | The Arizona Territory is annexed by the Confederate States of America as Confederate Arizona. |
| 1861 | 12 December | The Argentine Republic supersedes the Argentine Confederation. |
| 1861 | | The Dominican Republic returns to Spanish rule. |
| 1861 | | The Principality of Monaco declares independence from the Second French Empire. Monaco itself is the capital. |
| 1862 | January | The Tokugawa shogunate of Japan claims the Bonin Islands, disputing a claim from the United Kingdom. |
| 1862 | 12 April | The British colony of Queensland's western border is shifted from 141°E to 138°E. |
| 1862 | 15 April | The Kingdom of Hawaii claims Palmyra Atoll, disputing a claim by the United States of America. |
| 1862 | 8 October | Buenos Aires is declared the provisional capital of the Argentine Republic. |
| 1862 | 12 October | The State of Buenos Aires reunites with the Argentine Republic. |
| 1862 | 30 December | The United States of America claims the Swan Islands under the Guano Islands Act. |
| 1862 | | The United Kingdom creates the colony British Honduras in Central America. The capital is Belize City. |
| 1862 | | Cochinchina becomes a colony of France. |
| 1863 | 8 May | The Granadine Confederation becomes the United States of Colombia. |
| 1863 | 20 June | The Union-occupied northwestern counties of the Commonwealth of Virginia (which considers itself a part of the Confederate States of America) secede from the state and are admitted to the United States of America as the State of West Virginia. |
| 1863 | 6 July | The British colony of South Australia annexes the Northern Territory from the colony of New South Wales. |
| 1863 | Summer | The Tokugawa shogunate of Japan rescinds its claim of the Bonin Islands, ending a dispute with the United Kingdom. |
| 1863 | | Cambodia becomes a protectorate of France. |
| 1864 | 10 April | The Mexican Empire supersedes the United Mexican States. |
| 1864 | 21 May | The United Kingdom cedes the Ionian Islands to Greece. |
| 1864 | July | The Taiping Heavenly Kingdom is conquered by Qing China. |
| 1864 | 7 October | The Russian Empire gains 350,000 square miles of territory at the expense of Chinese Xinjiang from the Qing Dynasty |
| 1864 | 15 October | The United Kingdom claims Malden Island, disputing a claim by the United States of America. |
| 1865 | 3 March | The Dominican Republic regains its independence from the Monarchy of Spain. Santo Domingo is the capital. |
| 1865 | 3 April | The Confederate States of America moves its capital from Richmond to Danville, Virginia. |
| 1865 | 11 April | The Confederate States of America capitulates and is reabsorbed by the United States of America, ending the American Civil War. The United States gradually readmits the eleven former Confederate states to full statehood between 24 July 1866 and 15 July 1870. |
| 1865 | 14 August | Following the German-Danish War, the Kingdom of Prussia receives sole administration of the Duchy of Schleswig, while the Austrian Empire receives sole administration of Holstein. Prussia also acquires the Duchy of Saxe-Lauenburg from Austria. |
| 1865 | | The Kingdom of Italy moves its capital from Turin to Florence. |
| 1866 | 6 August | The United Kingdom unites the colonies of British Columbia and the Vancouver Island into a single colony. New Westminster yields to Victoria as the capital. |
| 1866 | 10 August | Bolivia and Chile sign a treaty and agree to divide the disputed Atacama Desert on the 24° Parallel, establishing their international border. |
| 1866 | 20 September | The Kingdom of Prussia annexes the Kingdom of Hanover, Holstein, Schleswig, Hesse-Kassel, Nassau, and Frankfurt |
| 1866 | 22 October | The Kingdom of Italy annexes the Kingdom of Lombardy–Venetia. Venice yields to Florence as the capital. |
| 1866 | 26 December | The United Kingdom claims Starbuck Island, disputing a claim by the United States of America. |
| 1866 | | The United Kingdom moves the capital of the Crown Colony of the United Province of Canada from the city of Québec to Ottawa. |
| 1866 | | The Kingdom of Prussia annexes the Duchy of Holstein. |
| 1867 | 17 January | The United States of America relinquishes claims on Alto Velo Island. |
| 1867 | March | Congress Poland is incorporated into the Russian Empire as Vistula Land. |
| 1867 | 1 April | The Straits Settlements become a Crown Colony of the United Kingdom. |
| 1867 | 8 June | Austria-Hungary is established by a compromise of the Austrian Empire and the Kingdom of Hungary. The Grand Duchy of Transylvania becomes part of the Kingdom of Hungary by the same compromise. |
| 1867 | 18 October | The Russian Empire sells Alaska to the United States of America. |
| 1867 | 19 June | The United Mexican States supersedes the Second Mexican Empire. |
| 1867 | 1 July | The United Kingdom unites its colonies of New Brunswick, Nova Scotia, and the Crown Colony of the United Province of Canada as the Dominion of Canada. Ottawa is the capital. |
| 1867 | 1 July | The North German Confederation supersedes the German Confederation. Berlin remains the capital. |
| 1867 | 8 July | The partially autonomous Khedivate of Egypt under Ismail Pasha replaces the Ottoman Egypt Eyalet. |
| 1867 | 11 July | The Russian Empire establishes Russian Turkestan for the territories it has conquered in Central Asia. |
| 1867 | 28 August | The United States of America claims Midway Atoll under the Guano Islands Act. |
| 1867 | 11 November | After its defeat in the Bhutan War, Bhutan cedes parts of its territory to British India. |
| 1868 | 3 January | Japan becomes the Empire of Greater Japan. The capital is moved from Kyoto to Edo, which is renamed Tokyo. |
| 1868 | 9 July | The United Kingdom claims Caroline Island, disputing a claim by the United States of America. |
| 1868 | 1 October | The Bolivian Republic changes its name to the Republic of Bolivia. |
| 1868 | 11 December | The United States of America claims Serrana Bank under the Guano Islands Act. |
| 1869 | 22 November | The United States of America claims Bajo Nuevo Bank, Pedro Cays, Quita Sueño Bank, and Roncador Bank under the Guano Islands Act. |

### 1870s

| Year | Date | Event |
| 1870 | 15 July | The Hudson's Bay Company transfers the North-Western Territory to Canada. |
| 1870 | 20 July | The Crown Colony of British Columbia joins Canada. |
| 1870 | 4 September | The French Third Republic supersedes the French Second Empire. |
| 1870 | 20 September | Italy annexes the area around Rome, ending the Papal States, which are succeeded by the States of the Church. |
| 1871 | 1 January | In the unification of Germany, the German Empire supersedes the North German Confederation after the accession of Bavaria, Württemberg, Baden, and Hesse. Berlin remains the capital. |
| 1871 | 10 May | Germany annexes Moselle and most of Alsace from France following the Franco-Prussian War, which becomes the Imperial Territory of Alsace-Lorraine. |
| 1871 | 20 July | British Columbia joins Canada. |
| 1871 | | Rome replaces Florence as the capital of Italy. |
| 1872 | 9 January | Limits between Paraguay and the Brazilian Empire are established following the Paraguayan War. Brazil enlarges its Mato Grosso region. |
| 1872 | 21 October | An arbitration committee rules in favor of the United States of America in its territorial dispute with Canada over the San Juan Islands, ending the so-called Pig War. |
| 1873 | 11 February | The First Spanish Republic supersedes the Monarchy of Spain. |
| 1873 | 1 July | Prince Edward Island joins Canada. |
| 1873 | 12 August | The Emirate of Bukhara becomes a protectorate of the Russian Empire. |
| 1873 | 12 August | The Khanate of Khiva becomes a protectorate of the Russian Empire. |
| 1873 | 17 November | With the unification of Buda, Óbuda, and Pest, Budapest becomes the capital of the Kingdom of Hungary. |
| 1874 | 29 December | The restored Monarchy of Spain supersedes the first First Spanish Republic. |
| 1874 | 1 January | The British East India Company is dissolved. |
| 1875 | 7 May | By the Treaty of Saint Petersburg, the Empire of Japan cedes southern Sakhalin Island to Russia in exchange for the Kuril Islands north of Iturup. |
| 1875 | | The Empire of Japan reclaims the Bonin Islands. |
| 1876 | 3 February | Limits between Paraguay and Argentina are established following the Paraguayan War. Argentina is awarded the Central Chaco (current Formosa Province) and some territories in Misiones. The territories between the Pilcomayo River and Verde River are pending arbitration. |
| 1876 | | The Russian Empire annexes the Khanate of Kokand. |
| 1877 | 12 April | The United Kingdom annexes the South African Republic (Republic of Transvaal) as the Transvaal Colony. |
| 1877 | 13 August | The United Kingdom creates the British Western Pacific Territories. This creates two new disputes with the United States of America, over the islands of Atafu and Nukunono. |
| 1878 | 3 March | The Treaty of San Stefano results in the following territorial changes: The Principality of Bulgaria is established. Plovdiv is the capital. The Ottoman Empire recognizes Montenegro and cedes it territory, including Nikšić, Podgorica, and Antivari. Serbia gains independence and annexes Niš and Leskovac. The Ottoman Empire recognizes the independence of the Principality of Romania. Russia cedes Northern Dobruja to Romania (which had been ceded to Russia by the Ottoman Empire). Romania cedes Southern Bessarabia to Russia. The Ottoman Empire cedes Armenian and Georgian territories in the Caucasus to Russia, including Ardahan, Artvin, Batum, Kars, Olti, Beyazit, and Alashkert. The Vilayet of Bosnia becomes an autonomous province. Crete, Epirus, and Thessaly are awarded limited self-government. |
| 1878 | 21 May | Romania gains independence from the Ottoman Empire. Bucharest is the capital. |
| 1878 | 12 July | The Ottoman Empire leases Cyprus as a protectorate to the United Kingdom. |
| 1878 | 13 July | The Treaty of Berlin results in the following territorial changes: The Principality of Bulgaria moves its capital from Plovdiv to Sofia. The Principality of Bulgaria is shrunk significantly. Eastern Rumelia is created as an autonomous province of the Ottoman Empire. The Austro-Hungarian occupation of the Vilayet of Bosnia (Bosnia and Herzegovina) is recognized; the territory is de facto under Austro-Hungarian rule. The Ottoman Empire cedes Thessaly and small parts of Epirus to Greece. Alashkerd and Bayazid are returned to the Ottoman Empire. |
| 1878 | 8 September | The United States of America claims Arenas Key, claimed by Mexico; the Morant Cays; and Serranilla Bank, claimed by Colombia, under the Guano Islands Act. |
| 1878 | 12 November | The territories between the Pilcomayo River and Verde River, claimed by Argentina and Paraguay, are awarded to Paraguay in an arbitration by U.S. President Rutherford B. Hayes. |
| 1878 | | Argentina begins its campaign to take control of Patagonic territories. By the end of 1879, Argentina's control extends as far as the Río Negro (modern provinces of Río Negro and La Pampa, as well as southern Mendoza, San Luis, Córdoba, and Buenos Aires Provinces). |
| 1879 | 14 February | Chile occupies the city of Antofagasta, previously controlled by Bolivia but with a majority of Chilean population. The War of the Pacific starts with Bolivia, later with Peru. Chile also occupies the rest of the ports in the coast north to Antofagasta to the Loa River afterwards. Bolivia loses direct access to the Pacific Ocean. |
| 1879 | 23 March | Chile occupies Calama from Bolivia after the Battle of Topáter. |
| 1879 | 27 March | The Ryukyu Kingdom is annexed by the Japanese Empire. |
| 1879 | 26 July | The United States of America claims Western Triangle Island, already claimed by Mexico, under the Guano Islands Act. |
| 1879 | | Portugal establishes the colony of Portuguese Guinea from the union of the territories Bissau and Cacheu. |
| 1879 | 2 November | The first organic amphibious landing in military history happens in the Battle of Pisagua in which Chile occupies the port in Tarapacá, then Peru. |

### 1880s

| Year | Date | Event |
| 1880 | 30 October | The Republic of Honduras moves its capital from Comayagua to Tegucigalpa, ending a century of indecision as to the country's capital. |
| 1880 | 6 December | Buenos Aires is declared the official capital of the Argentine Republic. |
| 1880 | | The French Republic establishes the protectorate of French Congo. Brazzaville is the capital. |
| 1881 | 17 January | Chile starts the Occupation of Lima, Peru, during the War of the Pacific that lasts until October 23, 1883 |
| 1881 | 14 March | The Kingdom of Romania is proclaimed. Bucharest is the capital. |
| 1881 | 23 July | The border between the Republic of Chile and the Argentine Republic is defined diving Patagonia and Tierra del Fuego for both countries which previously disputed most of the territory, while recognizing the Strait of Magellan as a Chilean water body but with a free access regime to all nations. |
| 1881 | 3 August | The South African Republic (Republic of Transvaal) regains self-governance under British suzerainty. |
| 1881 | | Tunisia becomes a French protectorate. |
| 1881 | | The United Kingdom claims Flint Island, disputing a claim by the United States of America. |
| 1882 | 6 March | The Kingdom of Serbia supersedes the Principality of Serbia. |
| 1882 | 1 June | The United Kingdom annexes Morant Cays and Pedro Cays as part of Jamaica. |
| 1883 | 20 October | Chile gains Tarapacá permanently, and Arica, and Tacna from Peru (Treaty of Ancón). Arica and Tacna are subject to a future referendum in 10 years, which doesn't happen. |
| 1883 | | Argentina incorporates the Patagonian lands of modern Neuquén Province to the Limay River. |
| 1883 | | The Kingdom of Loango is annexed to French Congo. |
| 1883 | | Cabinda becomes a protectorate of the Kingdom of Portugal. |
| 1884 | 4 April | Chile regains Antofagasta from Bolivia legally as part of the truce ending the War of the Pacific (made permanent in 1904). |
| 1884 | 21 June | The United States of America claims Alacrans Islands, already claimed by Mexico, under the Guano Islands Act. |
| 1884 | 3 August | The British suzerainty in the South African Republic (Republic of Transvaal) ends. |
| 1884 | 18 October | Argentina ends the conquest campaign of Eastern Patagonia, subduing the remaining Amerindian resistance in the modern Provinces of Chubut and Santa Cruz. |
| 1884 | 15 November | The Congo Conference in Berlin forms the basis for the division of Africa into colonies in the subsequent Scramble for Africa. |
| 1884 | | The Greenwich prime meridian becomes the international standard reference for the determination of longitude by cartographers. |
| 1884 | | German South-West Africa is created. |
| 1884 | | German East Africa is created. |
| 1884 | | Togoland is created. |
| 1884 | | Kamerun is created. |
| 1884 | | German New Guinea is created and administered by the German New Guinea Company. |
| 1884 | | The United Kingdom establishes the Crown Colony of the Territory of Basutoland. Maseru is the capital. |
| 1884 | | The United Kingdom establishes the British Somaliland Protectorate. Hargeisa is the capital. |
| 1884 | | Annam and Tonkin become protectorates of France. |
| 1885 | 2 May | King Leopold II of Belgium establishes the Congo Free State, a private government run by the International African Association. |
| 1885 | 1 September | The United Kingdom establishes the Crown Colony of British Bechuanaland. Vryburg is the capital. |
| 1885 | 6 September | The Principality of Bulgaria annexes Eastern Rumelia. |
| 1885 | 29 November | The Third Anglo-Burmese War ends with the fall of the Konbaung dynasty in Burma. |
| 1885 | December | Peru manages to retain the town of Ticalaco which was considered to the south of the Sama River (defined as the border in the Ancon Treaty) by Chile but not by Peru. The Ticalaco River becomes the border in that part of the territory in the Tacna Province. |
| 1886 | 1 January | Burma becomes part of British India. |
| 1886 | 1 May | King Leopold II of Belgium selects Boma as the capital of his Congo Free State. |
| 1886 | | The United States of Colombia becomes the Republic of Colombia. |
| 1887 | 17 October | The colony of French Indochina is established. Saigon is the capital. |
| 1887 | 16 December | The Sultanate of Maldives becomes a British Protectorate. |
| 1887 | | The Kingdom of Lunda is disestablished. |
| 1887 | | Macau officially becomes a colony of Portugal. |
| 1888 | 15 March | The United Kingdom annexes Fanning Island, which was previously claimed by the United States of America. |
| 1888 | 17 March | The United Kingdom claims Christmas Island, disputing a claim by the United States of America. |
| 1888 | 9 September | Chile incorporates Easter Island by signing a mutual will agreement with the island leader. |
| 1888 | 26 October | The United Kingdom makes the Cook Islands a protectorate. This also creates a dispute with the United States of America on the atolls of Pukapuka, Manihiki, Penrhyn, and Rakahanga. |
| 1888 | | The Sultanate of Maguindanao falls after Mindanao is conquered by the Kingdom of Spain. |
| 1888 | | The Bruneian Empire becomes a protectorate of the United Kingdom. |
| 1888 | | The Kingdom of Sarawak becomes a protectorate of the United Kingdom. |
| 1888 | | The United States of America claims Minami-Tori-shima using the Guano Islands Act. |
| 1889 | 9 March | Emperor Menelik II of Ethiopia moves his capital to Addis Ababa. |
| 1889 | 19 May | Argentina renounces to its claim over Tarija in exchange to Bolivia renouncing over its claim over Puna de Atacama in the Quirno Costa-Vaca Guzmán treaty. |
| 1889 | 29 May | The United Kingdom annexes Washington Island, which was previously claimed by the United States of America. |
| 1889 | 3 June | The United Kingdom claims Jarvis Island, disputing a claim by the United States of America. |
| 1889 | 19 June | Anglo-Egyptian Sudan is established as a colony of the United Kingdom. |
| 1889 | 26 June | The United Kingdom claims Sydney Island, disputing a claim by the United States of America. |
| 1889 | 29 June | The United Kingdom claims Phoenix Island, disputing a claim by the United States of America. |
| 1889 | 10 July | The United Kingdom claims Birnie Island, disputing a claim by the United States of America. |
| 1889 | 15 November | The Republic of the United States of Brazil supersedes the Empire of Brazil. |
| 1889 | | The Kingdom of Luba is annexed to the Congo Free State. |
| 1889 | | The United Kingdom establishes the Crown Colony of Trinidad and Tobago from the colonies of Trinidad and Tobago. |

### 1890s

| Year | Date | Event |
| 1890 | 1 July | Heligoland is ceded by the United Kingdom to the German Empire. |
| 1890 | 7 November | Zanzibar becomes a protectorate of the United Kingdom. |
| 1890 | 29 November | End of the personal union between the Kingdom of the Netherlands and the Grand Duchy of Luxembourg. |
| 1891 | | Pratap Singh defeats the ruler of Chitral and forces Hunza and Nagar to accept the suzerainty of Kashmir and Jammu state. |
| 1892 | 8 March | The United Kingdom annexes the Gilbert Islands as a protectorate. This takes the islands of Butaritari and Marakei from the existing United States of America claim. |
| 1892 | 27 May | The United Kingdom claims Gardner Island, disputing a claim by the United States of America. |
| 1892 | | The Sultanate of Muscat and Oman becomes a protectorate of the United Kingdom. |
| 1893 | 23 February | The Nyasalands Districts Protectorate is renamed to the British Central Africa Protectorate of the United Kingdom. Zomba is the capital. |
| 1893 | 1 May | Argentina and Chile agree to move their border in Tierra del Fuego 11.3 km to the west signing a protocol, as well as recognizing the coast of the Última Esperanza Province as Chilean in nowadays Puerto Natales. |
| 1893 | 3 October | France conquers the Kingdom of Luang Phrabang from Siam and makes it part of French Indochina. |
| 1894 | 11 April | The Kingdom of Buganda becomes a protectorate named Uganda of the United Kingdom. Entebbe is the capital. |
| 1894 | 4 July | The Republic of Hawaii supersedes the Kingdom of Hawaiʻi. |
| 1894 | 17 November | The United States of America rescinds its claims to the Alacrans Islands, Arenas Key, and Western Triangle Island, which were disputed with Mexico. |
| 1895 | 5 February | The border between the Republic of the United States of Brazil and the Argentine Republic is arbitrated by U.S. President Grover Cleveland. |
| 1895 | 17 April | The Qing dynasty of China cedes Taiwan to the Empire of Japan by the Treaty of Shimonoseki. |
| 1895 | 23 May | The Republic of Formosa declares independence upon its annexation by the Empire of Japan. Taipei is the capital. |
| 1895 | June | The Republic of Formosa moves its capital from Taipei to Tainan. |
| 1895 | 15 June | The United Kingdom establishes the East Africa Protectorate. Mombasa is the capital. |
| 1895 | 23 October | The Empire of Japan conquers the Republic of Formosa. Taiwan becomes a Japanese colony under the name Takasago Koku. Taihoku is the capital. |
| 1895 | 27 October | France creates French West Africa. Saint-Louis is the capital. |
| 1895 | 16 November | The United Kingdom annexes the Crown Colony of British Bechuanaland to the Cape Colony. Vryburg yields to Cape Town as the capital. |
| 1895 | | The United Kingdom establishes the Federated Malay States as a protectorate from a number of British-dominated Sultanates on the Malay Peninsula. Kuala Lumpur is the capital. |
| 1897 | 28 February | French Madagascar supersedes the Malagasy Protectorate following the exile of Ranavalona III. |
| 1897 | | The Zulu Kingdom becomes part of the British Colony of Natal. |
| 1897 | | The Joseon Dynasty becomes the Korean Empire. |
| 1897 | 9 February | The United Kingdom invades the Kingdom of Benin and annexes it as part of its Niger Coast Protectorate. |
| 1898 | 29 May | After occupying the territory on April 22, France forces Qing China to lease it Guangzhouwan for a period of 99 years. |
| 1898 | 12 June | The Philippine Republic declares independence from the Kingdom of Spain. Malolos is the capital. |
| 1898 | 9 June | Through the Convention for the Extension of Hong Kong Territory, Qing China lends New Territories to the United Kingdom for a period of 99 years. |
| 1898 | 24 July | The Empire of Japan annexes Minami-Tori-shima, disputing a prior claim by the United States of America. |
| 1898 | 25 July | The United States of America seizes control of Puerto Rico from the Spanish Empire during the Spanish–American War. |
| 1898 | 12 August | The United States of America annexes the Republic of Hawaii as the Territory of Hawaii. |
| 1898 | 2 November | The Puna de Atacama dispute is resolved by arbitration: of the 75,000 km$^2$ in dispute, 64,000 km$^2$ , 85%, is awarded to the Argentina and 11,000 km$^2$, 15%, to the Republic of Chile. |
| 1898 | 10 December | The Spanish–American War concludes with the Treaty of Paris, by which the Monarchy of Spain cedes four of its dependencies to the United States of America: The Captaincy General of Cuba. Havana is the capital. The Captaincy General of Puerto Rico. San Juan is the capital. The Captaincy General of the Philippines. Manila is the Spanish capital. (The Philippine Republic maintains its sovereignty with Malolos as its capital.) The Island of Guam. |
| 1898 | | The Republic of Bolivia moves its administrative capital from Sucre to La Paz. Sucre remains the constitutional and judicial capital. |
| 1899 | 17 January | The United States of America claims Wake Island. |
| 1899 | 23 January | The Sheikhdom of Kuwait becomes a protectorate of the United Kingdom. |
| 1899 | 14 July | The first Republic of Acre declares independence from Bolivia. The capital is Antimary. |
| 1899 | 2 December | Following the Tripartite Convention: The Kingdom of Samoa is partitioned between German Samoa and American Samoa. The islands east and southeast of Bougainville belonging to German New Guinea are ceded to the British Solomon Islands. The neutral zone in West Africa is split between British Gold Coast and German Togoland. |
| 1899 | | The German Empire takes over the administration of German New Guinea from the German New Guinea Company. |

## Maps

* World in 1555–1556
* World in 1700