# List of wars involving Denmark

This is a list of wars and war-like conflicts involving the modern Kingdom of Denmark and predecessor states.
    Danish victory
    Danish defeat
    Another result *
*e.g. result unknown or indecisive/inconclusive, result of internal conflict inside Denmark, status quo ante bellum, or a treaty or peace without a clear result.

## 700–1300

| Year | War | Belligerents (excluding Denmark) | Belligerents (excluding Denmark) | Outcome |
| Year | War | Allies | Enemies | Outcome |
| c. 770 | Harald Wartooth's invasion of Sweden | Denmark | Sweden | Viking victory Harald Wartooth subjugates a majority of Sweden |
| c.770 | Battle of Brávellir | Denmark Wends Eastern Geats | Sweden Estonians Western Geats | Defeat Harald Wartooth's death |
| 780s-850 | Viking invasions of England | Norse Vikings | Kingdom of England | Viking victory Series of Viking attacks on Christian monasteries in the British Isles |
| 810–811 | Invasion of Frisia | Danish Kingdom | Francia | Viking victory Treaty of Heiligen Danish border confirmed at The Eider |
| 813 | Halfdan the Mild's revolt | Danish Kingdom | Halfdan the Mild | Revolt successful Denmark is expelled and Vestfold gains independence. |
| 838 | Battle of Hingston Down | Danish Vikings Cornwall | Anglo-Saxons | Defeat Viking Defeat |
| 845 | Siege of Paris (845) | Danish Vikings | Francia | Viking victory Viking plunder of Paris |
| 851 | Battle of Aclea | Danish Vikings | Kingdom of Wessex | Defeat West-Saxon victory |
| 853 | Invasion of Courland | Danish Vikings | Curonians | Defeat Curonian victory |
| 859 | Viking raid on Nekor (ca. 859) | Norse Vikings | Kingdom of Nekor | Viking victory Vikings occupied Nekor for 8 days. |
| 865–878 | Great Heathen Army's invasion of England | Norse Vikings Norse–Gaels | Anglo-Saxon kingdoms: Wessex Northumbria Mercia East Anglia Kingdom of Strathclyde Kingdom of Alba | Viking victory Treaty of Wedmore Establishment of Danelaw |
| 866 | Battle of Brissarthe | Danish Vikings Brittany | Francia | Viking victory Frankish retreat |
| 880 | Battle of Thimeon | Danish Vikings | West Francia | Defeat Viking Defeat |
| 881 | Battle of Saucourt-en-Vimeu | Danish Vikings | West Francia | Defeat 9000 Vikings slain Vikings starts Raiding Lotharingia |
| 882 | Siege of Asselt | Danish Vikings | East Francia | Defeat Godfrid became a vassal of Charles the Fat and converted to Christianity. |
| 885–886 | Siege of Paris (885–886) | Danish Vikings | West Francia | Stalemate Paris successfully defended Vikings granted passage of the Seine and 700 livres (pounds) of silver Vikings raids continued into Burgundy |
| 891 | Battle of Leuven (891) | Danish Kingdom | East Francia | Defeat Death of Sigfried and Godfried |
| 899–902 | Æthelwold's Revolt | Followers of Æthelwold ætheling Supported by: Danes of Northumbria Kingdom of East Anglia | Followers of Edward the Elder: Wessex Mercia Kent | Defeat Victory for Edward the Elder |
| 902 | Battle of the Holme | Danish Vikings | Followers of Edward the Elder: Wessex Kent | Viking victory Æthelwold killed Æthelwold's Revolt ended |
| 900s | Olof the Brashs conquest of Denmark | Danish Kingdom | Olof the Brash | Defeat Victory for Olof |
| 911 | Siege of Chartres (911) | Danish Vikings | West Francia | Stalemate West Frankish military victory Treaty of Saint-Clair-sur-Epte Rollo is granted lands in northern France in exchange for vassalage, religious conversion and pledge to defend the Seine's estuary from viking raiders |
| 939 | Battle of Trans-la-Forêt | Danish Vikings | West Francia Brittany | Defeat Decisive Breton victory |
| 955–961 | War between King Haakon the Good and the sons of Eirik Bloodaxe | Sons of Eric Bloodaxe Kingdom of Denmark | Norway | Defeat Harald Greycloak becomes king of Norway. |
| 974 | German–Danish War of 974 | Kingdom of Denmark Kingdom of Norway | Holy Roman Empire Norwegian Rebels | Defeat Hedeby under German occupation from 974 to 981 |
| mid-980s | Sweyn's revolt against Harald Bluetooth | Sweyn Forkbeard | Harald Bluetooth | Victory for Sweyn Forkbeard Harald Bluetooth exiled Sweyn becomes king of Denmark |
| 986 | Battle of Fýrisvellir | Kingdom of Denmark Jomsvikings | Sweden | Defeat Swedish Victory |
| 986 | Battle of Hjörungavágr | Kingdom of Denmark Jomsvikings | Norway | Defeat Norwegian Victory |
| 986 | Norwegian-Jomsviking War | Kingdom of Denmark Jomsvikings | Norway | Defeat Norwegian Victory Danish fleet destroyed |
| 991 | Battle of Maldon | Danish Vikings | Anglo-Saxons | Viking victory King Æthelred makes a payment of Danegeld of 10,000 Roman pounds |
| 992 | Erik the Victorious invasion of Denmark | Danish Kingdom | Sweden | Defeat Swedish victory |
| mid-990s | Eric the Victorious invasion of the Holy Roman Empire | Danish Kingdom Sweden | Holy Roman Empire | Stalemate Stade and Northern Germany gets pillaged and plundered by Vikings. Eric, however, fails to permanently capture land in the Holy Roman Empire. |
| 1000 | Battle of Svolder | Kingdom of Denmark Sweden Earldom of Lade | Norway | Allied Victory Partitioning of Norway Backlash against Christianity |
| 1001 | First Battle of Alton | Kingdom of Denmark | Anglo-Saxons | Danish victory The Anglo-Saxons retreats to Winchester |
| 1001 | Battle of Pinhoe | Kingdom of Denmark | Kingdom of England | Danish victory The Vikings burn Pinhoe to the ground |
| 1004 | Battle of Thetford | Kingdom of Denmark | Norway Anglo-Saxons | Anglo-Norwegian Victory |
| 1010 | Battle of Ringmere | Danish Vikings | Anglo-Saxons | Viking victory Over a three-month period the Danes wasted East Anglia, burning Thetford and Cambridge |
| 1013 | Sweyn Forkbeards invasion of England | Kingdom of Denmark | Kingdom of England | Danish victory Sweyn Forkbeard becomes king of England and dies shortly after |
| 1015–1016 | Olav II's conquest of Norway (1015–1016) Raid on Denmark | Kingdom of Sweden Kingdom of Denmark Earldom of Orkney | Kingdom of Norway | Defeat The territorial changes following the Battle of Svolder are reversed |
| 1016 | Cnut the Great's invasion of England | Kingdom of Denmark Kingdom of Norway | Kingdom of England | Dano-Norwegian victory Personal union formed between Denmark and England in 1018. Following Edmund's death on 30 November, Cnut ascends to the throne as the sole king of England. |
| 1026 | Battle of Helgeå | Kingdom of Denmark Kingdom of England | Sweden Norway | Anglo-Danish victory Subjegation of parts of Sweden |
| 1028–1029 | Cnut's Invasion of Norway | North Sea Empire | Norway | Anglo-Danish victory Norway conquered |
| 1031 | Battle of Stiklestad | The "Peasant Army".loyal to Cnut the Great. | Norway | Peasant victory Death of Olaf II of Norway |
| 1043 | Magnus the Good's conquest of Denmark | Denmark Wends | Kingdom of Norway Danish Loyalists | Defeat Denmark reconquered Rebellion crushed Magnus the Good is kept king over both Norway and Denmark Sweyn Estridsson flees to Sweden |
| 1043 | Battle of Lyrskov Heath | Norway Danish Loyalists | Wends Danish Rebels | Norwegian and Danish Loyalist victory Up to 15.000 Wends killed |
| 1043 | Norwegian-Wendish War | Norway Danish Loyalists | Wends Danish Rebels | Norwegian and Danish Loyalist victory Destruction the Viking fort Jomsborg, possibly to destroy the Danish competitors to the throne. Plundering of the Wendish town of Jumne. |
| 1048–1064 | Invasion of Denmark | Denmark | Norway | Victory Peace agreement, mutual recognition and Norwegian withdrawal. |
| 1069–1075 | Danish attacks on Norman England | Denmark Earl of Northumbria | Norman England | Stalemate Danegeld paid Unsuccessful reconquest of England |
| 1086 | Peasant rebellion in Vendsyssel | Denmark | peasants | Defeat Death of Canute |
| 1093 | Battle of Schmilau | Prince Henry Denmark Saxony | Obotrites | Victory Victory for the Christian coalition |
| 1096 | Magnus's raids on Halland | Denmark | Norway | Defeat |
| 1131–1157 | Danish Civil War (Civil war) | Valdemar I of Denmark  Canute V of Denmark | Sweyn III of Denmark | Valdemar Victory Valdemar I is made king of all of Denmark |
| 1136 | Erik Emunes invasion of Rügen | Denmark | Rani | Danish Victory Rügen conquered and converted, but the Rani returned to their pagan belief after the Danes left. |
| 1144–1147 | Wendish Crusade | Denmark Kingdom of Poland Holy Roman Empire | Polabian Slavs West Slavs | Victory |
| 1168 or 1169 | Siege of Arkona | Denmark | Rani | Danish Victory Rügen conquered and converted |
| 1170 | Battle of Julin Bridge | Denmark | Pomerania | Danish Victory entire army of Bogislaw scattered |
| 1181 | Battle of Dösjebro | Royalists | Scanian rebels | Royalist Victory |
| 1182 | Harald Skraengs uprising | Harald Skraeng Sweden | Denmark | Victory Uprising quelled |
| 1184 | Battle of Greiswald Bay | Denmark | Pomerania Supported by: Holy Roman Empire | Danish Victory |
| 1189–1192 | Third Crusade | Angevin Empire Kingdom of France Kingdom of Jerusalem Knights Templar Knights Hospitaller Republic of Pisa Kingdom of Sicily Papal States Holy Roman Empire Duchy of Bohemia Armenian Kingdom of Cilicia Kingdom of Denmark Republic of Genoa | Ayyubids Sultanate of Egypt Emirate of Damascus Emirate of Hamah Emirate of Mesopotamia | Crusader Victory Treaty of Jaffa (1192) |
| 1191 | Danish Crusade of 1191 | Denmark | Finnish tribes | Unknown result Canute VI claims victory |
| 1192 | Invasion of Bishop Valdemar | Denmark | DenmarkBishop Valdemar Supported by: Sweden Norway Hohenstaufen Holstein Ratzeburg Brandenburg | Victory Bishop Valdemar is imprisoned |
| 1201 | Battle of Stellau | Denmark | County of Holstein | Danish Victory Holstein Subjegated |
| 1201 | Danish Crusade of 1201 | Denmark | Finnish tribes | Indecisive Conquered regions handed over to Sweden |
| 1203–1290 | Livonian Crusade | Sword-Brothers Livonian Order Denmark Sweden | Indigenous peoples Livonians Latgalians Selonians Estonians Oeselians Curonians Semigallians | Victory Terra Mariana Duchy of Estonia |
| 1204–1208 | The Second Bagler War | Denmark Bagler Party | Birkebeiner | Peace Settlement of Kvitsøy Inge Magnusson becomes king of all of Norway |
| 1210 | Battle of Gestilren | Denmark House of Sverker | Sweden House of Eric | Defeat Eric X of Sweden becomes king of Sweden |
| 1210 | Invasion of Pomeralia | Denmark | Pomeralia | Danish Victory Pomeralia subjegated |
| 1219 | Battle of Lyndanisse | Denmark | Non-Christian Estonians | Danish Victory According to legend, Dannebrog fell from the sky, as an apparently helpful divine intervention, just when the Danish Crusaders were about to lose the battle to the local pagans. The flag has been the official flag of Denmark ever since, making it the world's oldest national flag still in use. |
| 1225 | Battle of Mölln (1225) | Denmark | County of Schwerin | Defeat Danish possessions in Germany rebels |
| 1227 | Danish–German war | Denmark | County of Holstein Hanseatic League | Defeat Holstein regained independence Denmark forced to withdraw from northern Germany. |
| 1240–1242 | Livonian campaign against Rus' Danish Campaigns to Novgorod | Livonian Order Denmark | Novgorod Republic | Defeat |
| 1245 | Battle of Embo | Denmark Norway | Kingdom of Scotland | Defeat |
| 1250 | Expedition against Frisia | Denmark | Frisian rebels | Defeat Abel killed |
| 1256-1257 | Halland War | Denmark | Norway | Defeat Norway renounces its claim on Halland Ingeborg marries Magnus VI of Norway |
| 1259-1261 | The Archbishop War | Margaret | Lund Archbishopric SchleswigRügen | Defeat Plunderer of Zealand Loss of Royal possessions in Schleswig |
| 1274-1275 | The war against Valdemar Birgersson | Denmark Magnus III of Sweden | Sweden | Victory Valdemar, King of Sweden is deposed Magnus Ladulås is crowned king of Sweden |
| 1276–1278 | 6000-mark war | Denmark | Sweden | Victory Magnus III of Sweden agrees to pay 4000 mark |
| 1289–1295 | Danish-Norwegian War | Denmark | Norway Danish outlaws | Defeat North Halland ceded to Kingdom of Norway |

## 1300–1500

| Year | War | Belligerents (excluding Denmark) | Belligerents (excluding Denmark) | Outcome |
| Year | War | Allies | Enemies | Outcome |
| 1304–1310 | The Swedish brother's feud | Denmark Birger Magnusson | Norway Duke Eric and Valdemar | Victory Death of Duke Eric and Valdemar. |
| 1316 | Battle of Gransee | Denmark Duchy of Mecklenburg | Margraviate of Brandenburg | Victory Treaty of Templin |
| 1326–1354 | Wars of the Rügen Succession | Christopher II Duchy of Mecklenburg | Pomerania Gerhard III | Stalemate Treaty of Brudersdorf Treaty of Stralsund |
| 1326 | Rebellion of 1326 | Christopher II | Gerhard III | Defeat Overthrowal of Christopher II |
| 1328–1328 | Revolts against Valdemar III | Denmark | Peasants on Jutland and Zealand | Victory Valdemar retains the throne |
| 1340–1360 | Reunification of Denmark | Denmark | Holstein Sweden | Victory Reunification of Denmark |
| 1341–1343 | Kalundborg War | Denmark Lübeck | Sweden Holstein | Defeat |
| 1343–1345 | St. George's Night Uprising | Teutonic Order Livonian Order Denmark | Revala Harria Rotalia Vironia Oeselia | Victory Uprising defeated Denmark sells Duchy of Estonia to the State of the Teutonic Order |
| 1360 | Valdemar Atterdag's invasion of Scania | Denmark | Sweden | Victory Scania conquered Halland conquered Blekinge conquered |
| 1361 | Valdemar Atterdag's invasion of Gotland | Denmark | Sweden Hanseatic League | Victory Gotland conquered Visby ransomed |
| 1361–1365 | First Dano-Hanseatic War | Denmark | Norway Hanseatic League Sweden | Victory Dissolution of the Anti-Danish Alliance |
| 1367–1370 | Great Hanseatic War | Denmark Norway | Confederation of Cologne Sweden | Defeat Treaty of Stralsund (1370) |
| 1384 | Swedish invasion of Scania | Denmark | Sweden | * Truce likely signed in 1384 Temporary capture of Laholm by Sweden, followed by subsequent retreat |
| 1389 | Battle of Åsle | Denmark Swedish Nobles | Duchy of Mecklenburg Sweden | Victory Margaret I of Denmark becomes regent of Sweden |
| 1392–1398 | War with the Victual Brothers | Kalmar Union | Victual Brothers | Victory Formation of the Kalmar Union. |
| 1403–1400 | War in Gotland (1403–1404) | Kalmar Union | Teutonic Order | Teutonic victory Gotland is purchased by the Kalmar Union after negotiations in 1407 |
| 1410–1422 | Eric of Pommeranias First Schleswig War | Kalmar Union | House of Schaumburg | Peace agreement Sigismund, Holy Roman Emperor decides in favor of Denmark |
| 1426–1435 | Dano-Hanseatic War | Kalmar Union | House of Schaumburg Hanseatic League | Defeat Treaty of Vordingborg |
| 1434–1436 | Engelbrekt rebellion | Kalmar Union | Swedish rebels | Defeat Danish forces temporarily expulsed from Sweden |
| 1436 | Amund Sigurdssons Rebellion | Kalmar Union | Norwegian peasants | Victory Peasant Revolt quelled Rebels promises loyalty to Eric of Pomerania |
| 1438 | Hallvard Graatops Revolt | Kalmar Union | Norwegian peasants | Victory Revolt suppressed |
| 1438–1441 | Dutch–Hanseatic War | Hanseatic League Denmark Lüneburg Mecklenburg Pomerania Holstein Brandenburg | Burgundy: County of Holland Norway | Victory Treaty of Copenhagen (1441) |
| 1441 | Battle of St. Jørgensbjerg | Kalmar Union | Peasant army under Henrik Reventlow | Victory Rebellion defeated |
| 1448–1449 | War on Gotland (1448–1449) | Eric of Pomerania Supported by: Denmark | Sweden Supported by: Gutes | Victory Gotland handed over to Denmark |
| 1448–1451 | War of the Norwegian Succession | Denmark Pro-Danish Norwegians | Sweden Pro-Swedish Norwegians | Pro-Danish Victory Christian I becomes king of Norway |
| 1448–1502 | Krummedige-Tre Rosor feud | Krummedige family Denmark | Tre Rosor family Sweden | Krummedige victory The male Tre Rosor line in Norway becomes extinct. Norwegian monarchy strengthened Prince Christian maintains control over Norway |
| 1451–1457 | Dano-Swedish War (1451-1457) | Denmark Erik Axelsson Tott | Sweden | Victory Reinstalment of the Kalmar union |
| 1454–1466 | Thirteen Years' War (1454–1466) | Teutonic Order  Kalmar Union Livonian Order Amsterdam Duchy of Żagań | Kingdom of Poland Supported by: Prussian Confederation | Defeat Second Peace of Toruń |
| 1464 | Battle of Haraker | Kalmar Union | Sweden | Defeat Christian I was deposed as king of Sweden |
| 1466–1467 | War of Deposition against Jöns Bengtsson Oxenstierna | Supporters of Jöns Bengtsson Denmark | Rebels under Nils Sture | Defeat Jöns Bengtsson is deposed |
| 1470–1471 | Dano-Swedish War (1470–1471) | Kalmar Union | Sweden | Defeat Danish failure to conquer Sweden |
| 1497 | Battle of Rotebro | Denmark | Sweden | Victory |

## 1500–1699

| Year | War | Belligerents (excluding Denmark) | Belligerents (excluding Denmark) | Outcome |
| Year | War | Allies | Enemies | Outcome |
| 1500 | Battle of Hemmingstedt | Kalmar Union | Dithmarschen | Defeat Destruction of the royal army |
| 1501–1503 | War of Deposition against King Hans | Kalmar Union | Sweden | Defeat Hans, King of Denmark deposed as King of Sweden. |
| 1501–1504 | Alvsson Rebellion | Kalmar Union | Knut Alvsson (until 1502) Nils Ravaldsson (from 1502) Sweden | Victory Dano-Norwegian ties solidified |
| 1501–1512 | Dano-Swedish War (1501–1512) | Kalmar Union | Sweden Free City of Lübeck (from 1509) | Victory Treaty of Malmö |
| 1512–1520 | Dano-Swedish War (1512–1520) | Kalmar Union | Sweden | Victory Danish Victory Danish conquer of Sweden |
| 1521–1523 | Swedish War of Liberation | Kalmar Union | Sweden Free City of Lübeck (from 1522) | Defeat Treaty of Malmö Regained Swedish independence Dissolution of Kalmar Union |
| 1523–1524 | Siege of Copenhagen (1523) | Christian II | Frederick I of Denmark | Frederickian Victory Diposition of Christian II |
| 1524–1525 | Revolts for the reinstalment of Christian II | Denmark Norway | Rebels supporting Christian II | Victory Failure to reinstal Christian II |
| 1532 | Christian II's Invasion of Norway | Denmark Norway | Christian II | Victory Invasion failed Christian II captured |
| 1534–1536 | Count's Feud (civil war) | Christian III Duchy of Schleswig Holstein Sweden Duchy of Prussia Jutland | Christian II Christopher of Oldenburg Free City of Lübeck Skåne Malmø Copenhagen Zealand | Reformation in Denmark–Norway and Holstein |
| 1536–1537 | Olav Engelbrektsson's Rebellion | Denmark Protestants | Catholics | Victory Creation of Denmark-Norway |
| 1538–1550 | Icelandic Reformation | Denmark–Norway Protestants | Catholics | Victory Jón Arason defeated and captured Collapse of Catholicism in Iceland |
| 1540 | Peasant's Rebellion in Telemark | Denmark–Norway | Norwegian peasants | Rebellion suppressed |
| 1542 | Dacke War | Kingdom of Sweden Landsknechte Denmark-Norway | Småland Peasants under Nils Dacke  Östergötland peasant militia | Victory Royal power strengthened No further civil wars or major uprisings |
| 1542 | Italian War of 1542–1546 | France Ottoman Empire Regency of Algiers Jülich-Cleves-Berg Denmark-Norway | Holy Roman Empire Saxony Brandenburg Spain England | Status quo ante bellum Treaty of Speyer (1544) |
| 1558–1583 | Livonian War | Livonian Confederation Polish–Lithuanian Commonwealth Denmark-Norway Kingdom of Sweden Zaporozhian Cossacks Principality of Transylvania | Tsardom of Russia Qasim Khanate Kingdom of Livonia | Victory Sweden gains Estonia Livonia, Courland and Semigallia to Poland–Lithuania Denmark–Norway gains Ösel |
| 1559 | Campaign of 1559 | Denmark-Norway | Dithmarschen | Victory Conquest of Dithmarschen |
| 1563–1570 | Northern Seven Years' War | Denmark-Norway Free City of Lübeck Poland–Lithuania | Sweden | Status quo ante bellum Treaty of Stettin (1570) |
| 1563–1568 | Polish–Swedish War (1563–1568) | Denmark–Norway Lübeck | Sweden | Defeat |
| 1571 | Danish attack on Poland Naval battle near Hel | Denmark-Norway | Polish–Lithuanian Commonwealth | Victory |
| 1575–1577 | Danzig rebellion | City of Danzig Denmark-Norway | Polish–Lithuanian Commonwealth | Peace Danzig withstanded the siege Danzig law confirmed Danzig had to pay 200,000 złotys |
| 1611–1613 | Kalmar War | Denmark-Norway | Sweden | Victory Treaty of Knäred (1613) |
| 1618–1620 | Conquest of Koneswaram Temple | Denmark-Norway Kingdom of Kandy | Portuguese Ceylon | Defeat Failure to monopolize Ceylon Danish India established |
| 1619 | Action of 19 February 1619 | Denmark-Norway | French pirates  France | Victory Danish Victory French ships conquered |
| 1619 | Roland Crappé's raids on Portuguese colonies | Denmark-Norway Kingdom of KandySupported by: Thanjavur Nayak kingdom | Portuguese Ceylon Portuguese India | Defeat |
| 1618–1648 | Thirty Years' War | Protestant States and Allies  Sweden  Kingdom of France  Bohemia Denmark–Norway (1625–1629)  Saxony  Dutch Republic Electorate of the Palatinate Brunswick-Lüneburg  England  Scotland Brandenburg-Prussia Transylvania Hungarian Anti-Habsburg Rebels Zaporozhian Cossacks  Ottoman Empire | Roman Catholic States and Allies  Holy Roman Empire Catholic League  Habsburg Monarchy Austria Bavaria Spain and its possessions Denmark–Norway (1643–1645) | Defeat Peace of Westphalia Habsburg supremacy curtailed Rise of the Bourbon dynasty Rise of the Swedish Empire Decentralization of the Holy Roman Empire Franco-Spanish War until 1659 Substantial decline in the power and influence of the Catholic Church |
| 1624 | Siege of Dansborg (1624) | Danish India | Thanjavur Nayak | Victory Thanjavur recognizes Tranquebar as Danish |
| 1627 | Turkish Abductions | Denmark-Norway | Ottoman Empire | Defeat Abduction of 400-800 Icelanders |
| 1642–1698 | Dano-Mughal War | Denmark–Norway | Mughal Empire | Peace treaty Dannemarksnagore ceded to Denmark for 30,000 rupees to be paid over ten years |
| 1643–1645 | Torstenson War | Denmark–Norway Holy Roman Empire | Sweden Dutch Republic | Defeat Treaty of Brömsebro (1645) |
| 1644 | Conflict between Willem Leyel and Bernt Pessart | Danish India | Leyel loyalist Dutch Coromandel English Madras Portuguese Carical Supported by: Thanjavur Nayak | Willem victory Willem Leyel becomes governor of Tranquebar |
| 1644 | Siege of Dansborg (1644) | Denmark-Norway | Thanjavur Nayak kingdom | Inconclusive |
| 1655–1669 | Sieges of Tranquebar (1655–1669) | Danish India | Thanjavur Nayak kingdom | Victory Villages of Poreiar, Tillali and Erikutanchery ceded to the Danes |
| 1657–1660 | Second Northern War | Habsburg monarchy Poland–Lithuania Russia (1656–58) Brandenburg-Prussia Dutch Republic | Sweden Brandenburg-Prussia Transylvania Ukrainian Cossacks Wallachia Moldavia | Defeat Treaty of Roskilde (February 26, 1658) |
| 1657–1658 | Dano-Swedish War (1657–1658) | Denmark-Norway Poland–Lithuania | Swedish Empire | Defeat Decisive Swedish victory; Treaty of Roskilde/Treaty of Taastrup |
| 1658–1660 | Dano-Swedish War (1658–1660) | Denmark–Norway Dutch Republic Brandenburg-Prussia Poland–Lithuania Habsburg Monarchy | Swedish Empire | Victory Treaty of Copenhagen (1660) |
| 1660–1664 | Dano-Dutch Colonial War in Guinea | Denmark–Norway Kingdom of England Fetu tribe | Dutch Republic | Victory Anglo-Danish Conquest of Cape Coast |
| 1665–1667 | Second Anglo-Dutch War Battle of Vågen | Dutch Republic Denmark-Norway Kingdom of France | Kingdom of England Bishopric of Münster | Victory Treaty of Breda (1667) |
| 1666 | Second Swedish War on Bremen | Bremen Electorate of Cologne Brunswick-Lüneburg Denmark-Norway Electorate of Brandenburg Dutch Republic | Sweden | Draw Treaty of Habenhausen |
| 1675–1679 | Scanian War | Denmark-Norway Dutch Republic Holy Roman Empire Brandenburg | Sweden Kingdom of France | Status quo ante bellum Treaty of Fontainebleau (1679) |
| 1678 | Assault on Osu | Ga-Adangbe Denmark-Norway | Akwamu | Victory Assult reppeled |
| 1686 | Siege of Hamburg (1689) | Denmark–Norway supported by Kingdom of France | Hamburg Brunswick-Lüneburg Brandenburg-Prussia | Peace agreement Danish withdrawal Hamburg pays 300,000 thalers as compensation to Denmark |

## 1700–1799

| Year | War | Belligerents (excluding Denmark) | Belligerents (excluding Denmark) | Outcome |
| Year | War | Allies | Enemies | Outcome |
| 1700–1720 | Great Northern War | Tsardom of Russia Electorate of Saxony Poland–Lithuania Cossack Hetmanate Prussia Hanover Great Britain Denmark–Norway | Sweden Holstein-Gottorp Poland–Lithuania Ottoman Empire | Victory Treaty of Frederiksborg (1720) |
| 1703–1711 | Rákóczi's War of Independence | Holy Roman Empire: Austria  Prussia Margraviate of Baden Serbs from Vojvodina Transylvanian Saxons Kingdom of Croatia Royalists  Denmark–Norway | Kuruc forces (Kingdom of Hungary) Principality of Transylvania Kingdom of France | Victory |
| 1733–1734 | 1733 slave insurrection on St. John | Denmark–Norway Sankt Jan | Rebel slaves | Victory Rebellion suppressed |
| 1739 | Battle of Jakobshavn | Denmark–Norway | Dutch Republic | Victory Dutch presence on Greenland collapses |
| 1765 | Strilekrigen | Denmark-Norway | Norwegian peasants | Victory Rebellion suppressed |
| 1756 | Cattle War | Denmark–Norway | Thanjavur Maratha kingdom | Defeat Punitive expedition unsuccessful |
| 1770–1772 | Danish–Algerian War | Denmark–Norway | Dey of Algiers | Defeat Punitive expedition unsuccessful. Denmark–Norway pays higher tribute than before |
| 1771 | Royal Life Guards' Mutiny | Denmark-Norway | Royal Life Guard | execution of Struensee |
| 1784 | Sagbadre War | Denmark-Norway Ada-Danish Alliance Danish West India Company Little Popo Ada Accra Akuapem Akwapim Ga Krobo | Anlo Confederacy | Victory Return of territory previously acquired by Anlo from the Alliance Construction of Fort Prinzenstein |
| 1786–1787 | Lofthusreisingen | Denmark-Norway | Norwegian peasants | Victory Rebellion suppressed |
| 1788–1789 | Theatre War | Denmark-Norway | Sweden | Inconclusive |
| 1788–1790 | Russo-Swedish War | Russian Empire | Sweden | Status quo ante bellum |
| 1797 | Action of 16 May 1797 | Denmark-Norway | Ottoman Empire (de jure) Eyalet of Tripolitania | Victory |

## 1800–1945

| Year | War | Belligerents (excluding Denmark) | Belligerents (excluding Denmark) | Outcome |
| Year | War | Allies | Enemies | Outcome |
| 1800–1802 | Lærdal Rebellion | Denmark-Norway | Norwegian peasants | Victory Rebellion suppressed |
| 1800–1813 | Napoleonic Wars | France Ottoman Empire | United Kingdom Sweden Russia Austrian Empire Prussia Spain Portugal Ottoman Empire (until 1803) United Kingdom of the Netherlands | Defeat Congress of Vienna (1815) |
| 1801, 1807–1814 | English Wars | Denmark–Norway French Empire Spain | United Kingdom Sweden | Defeat Treaty of Kiel Denmark joined the anti-Napoleonic alliance Frederick VI of Denmark cedes Norway to Sweden |
| 1805–1810 | Franco-Swedish War | French Empire Spain Until 1808 Holland Russian Empire (1808–09) Denmark–Norway (1808–09) | Sweden United Kingdom Prussia Russian Empire (–1807) Austrian Empire Saxony | Victory Treaty of Paris (1810) Sweden regains Swedish Pomerania Sweden integrates the Continental System |
| 1807–1814 | Gunboat War | Denmark–Norway | United Kingdom | Defeat |
| 1808–1809 | Dano-Swedish War (1808–09) | Denmark–Norway France | Sweden United Kingdom | Stalemate Return to Status quo ante bellum |
| 1809 | Jørgen Jørgensen's Revolution | Denmark-Norway United Kingdom | Iceland | Victory Imprisonment of Jørgen Jørgensen |
| 1808–1981 | Huéscar-Danish War | Denmark | Huéscar | Peace treaty |
| 1813-1814 | Dano-Swedish War (1813–1814) | Denmark-Norway | Sweden Russian Empire Hanover United Kingdom | Defeat Denmark cedes Norway to Sweden Sweden cedes Swedish Pomerania to Denmark |
| 1813 | Antisemitic riots | Denmark Danish Jews | Antisemites | Victory Jews gets equal rights under the law |
| 1815 | War of the Seventh Coalition | United Kingdom of Great Britain and Ireland Prussia Austrian Empire Russian Empire Kingdom of Hanover Brunswick Sweden Kingdom of Spain Kingdom of Portugal Kingdom of Sardinia Kingdom of Sicily Switzerland Liechtenstein Denmark Bourbon Restoration United Kingdom of the Netherlands | First French Empire Kingdom of Naples | Victory Congress of Vienna |
| 1819–1820 | Hep-Hep riots Danish spillover | Denmark Danish Jews | Antisemites | Police crackdown Leaders of the Antisemites arrested |
| 1825 | Capture of the sloop Anne | Tri-national anti-piracy alliance  Denmark  Spain  United States | Roberto Cofresí's pirates | Victory Anne (El Mosquito) is disabled; pirates flee ashore |
| 1826 | Katamanso War | Denmark United Kingdom Netherlands | Ashanti Empire | Victory |
| 1848 | 1848 Saint Croix slave rebellion | Denmark | Saint Croix slaves | Defeat emancipation of the Saint Croix slaves |
| 1848–1850 | First Schleswig War | Denmark | Prussia Duchy of Holstein German Empire | Victory London Protocol |
| 1864 | Second War of Schleswig | Denmark | German Confederation:  Austrian Empire  Prussia | Defeat Treaty of Vienna (1864) |
| 1878 | Fireburn | Denmark Supported by United Kingdom United States France | Queens of the Fireburn Labor Rioters | Victory Rebellion ended deaths of 60 black laborers 879 acres were burned |
| 1939–1940 | Phoney War World War II | France Norway United Kingdom | Nazi Germany Kingdom of Italy | Stalemate |
| 1940 | Operation Weserübung World War II | Norway Denmark United Kingdom France Poland | Nazi Germany | Defeat German forces occupy Denmark. |
| 1940–1945 | Occupation of Denmark World War II | United Kingdom Soviet Union | Hungary Nazi Germany | Victory German forces withdrew at the end of World War II following their surrender to the Allies on 5 May 1945. |
| 1940–1945 | Danish resistance movement | Danish resistance groups  Denmark (from 1943) | Occupation Government (until 1943) Germany | Victory Liberation of Denmark |
| 1941–1942 | Operation Barbarossa | Germany Free Corps Denmark  Romania  Finland  Italy  Hungary  Slovakia | Soviet Union | Defeat |
| 1945–1946 | Soviet occupation of Bornholm | Denmark | Soviet Union | Victory Soviet withdrawal |

## 1946–present

| Year | War | Belligerents (excluding Denmark) | Belligerents (excluding Denmark) | Outcome |
| Year | War | Allies | Enemies | Outcome |
| 1950–1953 | Korean War | South Korea United States United Nations | North Korea China | Ceasefire |
| 1956 | United Nations Emergency Force | United Nations | Egypt United Kingdom France Israel | Peace The conflict resulted in a military victory for the Coalition, but a political victory for Egypt. Egypt maintained control of the canal. |
| 1958 | United Nations Observation Group in Lebanon (UNOGIL), as part of the 1958 Lebanon crisis | United Nations | Lebanon | Concluded |
| 1964–present | United Nations Peacekeeping Force in Cyprus | UNFICYP | Republic of Cyprus Turkish Republic of Northern Cyprus | Ongoing |
| 1973-2022 | Whiskey War | Kingdom of Denmark  Greenland | Canada | Stalemate Division of Hans Island |
| 1988–1991 | United Nations Iran–Iraq Military Observer Group, as part of the Iran–Iraq War | United Nations | Iran Iraq | Victory end of hostilities |
| 1989–1990 | United Nations Transition Assistance Group | United Nations | South West Africa | Victory The Namibian transition to democracy succeeds |
| 1990–1991 | Gulf War | Australia Bahrain Bangladesh Belgium Canada Egypt France Italy Kuwait Morocco Netherlands Denmark Norway Oman Pakistan Qatar Saudi Arabia Senegal Spain Sweden Syria United Arab Emirates United Kingdom United States other allies | Iraq Republic of Kuwait | Victory |
| 1991–2003 | United Nations Iraq–Kuwait Observation Mission | United Nations | Iraq Kuwait | Victory Completed |
| 1992–1997 | Tajikistani Civil War | Tajikistan Popular Front of Tajikistan Communist Party of Tajikistan Socialist Party of Tajikistan  Russia Uzbekistan Kazakhstan Kyrgyzstan UNMOT:  Austria  Bangladesh  Bulgaria  Czech Republic  Denmark  Ghana  Hungary  Indonesia  Jordan  Nepal  Nigeria  Poland  Switzerland  Ukraine  Uruguay Supported by:  Belarus (weapons supplies) | United Tajik Opposition Islamic Renaissance Party Democratic Party Party of People's Unity Rastokhez Popular Movement Lali Badakhshan Gorno-Badakhshan Jamiat-e Islami (until 1996) Afghanistan (until 1996) Hezb-e Islami Gulbuddin (until 1996) Taliban factions Supported by: al-Qaeda Islamic Movement of Uzbekistan Iran (alleged, denied) | Military Stalemate |
| 1992–1995 | Bosnian War (Operation Bøllebank) | Croatia Bosnia and Herzegovina NATO | FR Yugoslavia | Victory Dayton Accords |
| 1992–1993 | United Nations Transitional Authority in Cambodia (UNTAC) | United Nations Cambodia | KPRAF Khmer Rouge | Monarchy restored |
| 1993–1995 | United Nations Operation in Somalia II | UNOSOM II  Algeria  Australia  Austria  Bangladesh  Belgium  Botswana  Canada  Denmark  Egypt  Fiji  Finland  France  Germany  Greece  India  Indonesia  Ireland  Italy  Jordan  Kuwait  Malaysia  Morocco  Nepal  New Zealand  Nigeria  Norway  Pakistan  Philippines  Romania  Saudi Arabia  South Korea  Spain  Sweden  Switzerland  Tunisia  Turkey  UAE  United Kingdom  United States  Zimbabwe | Somali National Alliance Al-Itihaad al-Islamiya | Defeat UNOSOM II failure |
| 1994–1996 | United Nations Confidence Restoration Operation in Croatia | United Nations Croatia | Socialist Federal Republic of Yugoslavia | Victory Croatian victory |
| 1996–2002 | United Nations Mission of Observers in Prevlaka | United Nations | Socialist Federal Republic of Yugoslavia Croatia | Victory Completed |
| 1998 | United Nations Civilian Police Support Group | UNPOL | Croatian Police | Victory Peace affirmed |
| 1998–1999 | Kosovo War | Albania Kosovo NATO | FR Yugoslavia | Victory Kumanovo Treaty |
| 1998–1999 | United Nations Observer Mission in Sierra Leone | United Nations | RUF AFRC (1997–2002) West Side Boys (1998–2000) | Changed to UNAMSIL The mission was terminated in October 1999 |
| 1999 | United Nations Mission in East Timor (UNAMET), as part of the East Timor Crisis | United Nations | Indonesia East Timor | Victory Completed |
| 1999–2005 | United Nations Mission in Sierra Leone as part of the Sierra Leone Civil War | United Nations Sierra Leone SLA (before and after the AFRC) CDF (Kamajors, Tamaboros, Kapras, etc.) Foreign mercenaries [ru]  United Kingdom (2000–2002) Guinea ECOMOG Forces (1998–2000) Executive Outcomes (1995–1996) | RUF AFRC (1997–2002) West Side Boys (1998–2000) | Victory Commonwealth victory |
| 1999–2010 | United Nations Organization Mission in the Democratic Republic of the Congo (MONUC) | United Nations | Democratic Republic of the Congo | Victory Peace maintained |
| 1999–2002 | United Nations Transitional Administration in East Timor, as part of the East Timor Crisis | UNTAET | Indonesia East Timor | Victory Completed |
| 2000–2008 | United Nations Mission in Ethiopia and Eritrea | United Nations | Ethiopia Eritrea | abandonment The mission was formally abandoned in July 2008 Mission completed |
| 2002–2021 | War in Afghanistan | Afghanistan Armenia Austria Azerbaijan Bosnia and Herzegovina Finland Georgia (country) Jordan Macedonia Montenegro NATO Sweden Ukraine Australia Malaysia Mongolia New Zealand Singapore South Korea Switzerland Tonga United Arab Emirates United Kingdom | Taliban al-Qaeda | Defeat Defeat of Taliban forces briefly before Taliban retook the region in 2021. |
| 2002–2011 | Operation Enduring Freedom – Horn of Africa Part of the War on Terrorism | Australia China Djibouti Ethiopia India Japan Kenya Malaysia NATO New Zealand Russia Seychelles Singapore Somalia South Korea Sweden Uganda Ukraine Denmark | al-Qaeda | Victory |
| 2003–2011 | Iraq War | Armenia Australia Azerbaijan Bosnia and Herzegovina Dominican Republic El Salvador Georgia (country) Honduras Iraq Japan Kazakhstan Peshmerga Macedonia Moldova Mongolia NATO New Zealand Nicaragua Philippines Poland Singapore South Korea Thailand Ukraine United Kingdom United States | Baath Party Loyalists Islamic State of Iraq al-Qaeda in Iraq Mahdi Army | Victory Danish withdrawal in 2008 |
| 2005–2011 | United Nations Mission in Sudan | United Nations | Sudan SPLA | Victory Legal status: Accomplished |
| 2007–2010 | United Nations Mission in the Central African Republic and Chad (MINURCAT), as part of Darfur Conflict, Civil war in Chad (2005–2010) | United Nations | Sudanese rebel groups | Inactive |
| 2009–2016 | Operation Ocean Shield | Somalia United States United Kingdom Denmark Netherlands Spain Greece Germany Belgium Canada Italy Portugal Turkey Norway Australia India New Zealand Japan Saudi Arabia Ukraine South Korea | Somali Pirates | Victory Number of Somali pirate attacks have been reduced dramatically |
| 2011 | 2011 Libyan Civil War | Jordan National Transitional Council NATO Qatar United Arab Emirates United Kingdom United States Sweden | Libyan Arab Jamahiriya | Victory Overthrow of Gaddafi government UN, EU, AL and AU diplomatically recognise the National Transitional Council as the sole governing authority for Libya |
| 2011–present | United Nations Mission in South Sudan | United Nations | South Sudan Sudan | Ongoing |
| 2013–2023 | United Nations Multidimensional Integrated Stabilization Mission in Mali, as part of the Mali War | United Nations Mali Russia (since 2021) France (2013–22) | Coordination of Azawad Movements (CMA) Al-Qaeda and allies | Defeat Dissolved |
| 2014–present | Military intervention against ISIL | United States Canada (2014–17) Belgium (2014–17) Sweden Germany Italy Turkey (2014–17) Netherlands Jordan Morocco (2014–16) United Kingdom | ISIL | Ongoing |
| 2023–present | Operation Prosperity Guardian | United States United Kingdom Australia Bahrain Canada Denmark Greece Netherlands Norway Singapore Sri Lanka Supported by: Seychelles | Yemen (SPC) Houthi movement | Ongoing |