# List of conflicts by duration

The following list ranks wars and times of war or conflict by their duration, including both historical and ongoing battles.

## List

| War or conflict | Start date | End date | Duration |
| Reconquista | 718 | 1492 | 774 years |
| Anglo-French Wars | 1109 | 1815 | 706 years |
| Roman–Persian Wars | 54 BC | 628 | 681 years |
| Byzantine–Bulgarian wars | 680 | 1355 | 675 years |
| Roman-Germanic wars | 113 BC | 476 | 588 years |
| Arab–Byzantine wars | 629 | 1180 | 551 years |
| Yaqui Wars | 1533 | 1929 | 396 years |
| Yemeni–Ottoman conflicts | 1538 | 1911 | 373 years |
| Moroccan–Portuguese conflicts | 1415 | 1769 | 354 years |
| Russo-Turkish wars | 1568 | 1918 | 350 years |
| Arauco War | 1536 | 1883 | 347 years |
| Dano-Swedish wars | 1470 | 1814 | 344 years |
| Three Hundred and Thirty Five Years' War | 1651 | 1986 | 335 years, 2 weeks and 4 days |
| Spanish–Moro conflict | 1565 | 1898 | 333 years |
| Apache–Mexico Wars | 1600 | 1915 | 315 years |
| American Indian Wars | 1609 | 1924 | 315 years |
| Ottoman–Persian Wars | 1514 | 1823 | 309 years |
| Burmese-Siamese wars | 1547 | 1855 | 308 years |
| Han–Xiongnu War | 200 BC | 91 | 290 years |
| Navajo Wars | 1600 | 1866 | 266 years |
| Ottoman–Habsburg wars | 1526 | 1791 | 265 years |
| Byzantine–Seljuk wars | 1048 | 1308 | 260 years |
| Anglo-Scottish Wars | 1296 | 1547 | 251 years, 5 months, 2 weeks and 1 day |
| Chechen–Russian conflict | 1785 | 2017 | 232 years |
| Warring States period | 453 BC | 223 BC | 230 years |
| Muslim conquests of Afghanistan | 642 | 870 | 228 years |
| Polish-Russian Wars | 1577 | 1794 | 217 years, 10 months, 2 weeks and 1 day |
| Byzantine–Ottoman wars | 1265 | 1479 | 214 years |
| Polish–Teutonic War | 1308 | 1521 | 213 years |
| Roman conquest of the Iberian Peninsula | 218 BC | 19 BC | 199 years |
| Russian conquest of Siberia | 1580 | 1778 | 198 years |
| Crusades | 1096 | 1291 | 194 years, 9 months and 3 days |
| Cossack uprisings | 1591 | 1775 | 184 years |
| Byzantine–Lombard wars | 568 | 751 | 183 years |
| Russo-Persian Wars | 1651 | 1828 | 177 years |
| Spanish conquest of Guatemala | 1524 | 1697 | 173 years |
| Spanish conquest of Chiapas | 1523 | 1695 | 172 years |
| Genoese–Mongol Wars | 1307 | 1478 | 171 years |
| Muscovite–Lithuanian Wars | 1368 | 1537 | 169 years |
| Mughal–Sikh wars | 1621 | 1788 | 167 years |
| Ottoman–Hungarian wars | 1366 | 1526 | 160 years |
| Polish–Swedish wars | 1563 | 1721 | 158 years |
| Anglo-Dutch Wars | 1652 | 1810 | 158 years |
| Sengoku period | 1467 | 1615 | 148 years |
| Australian frontier wars | 1788 | 1934 | 146 years |
| Hook and Cod wars | 1350 | 1490 | 140 years |
| Mongol invasions and conquests | 1206 | 1337 | 131 years |
| Chola-Chalakya Wars | 992 | 1120 | 128 years |
| Early Muslim conquests | 622 | 750 | 128 years |
| Second Hundred Years' War | 1689 | 1815 | 126 years |
| Punic Wars | 264 BC | 146 BC | 118 years |
| Hundred Years' War | 1337 | 1453 | 116 years |
| Russo-Kazan Wars | 1437 | 1552 | 115 years |
| Norwegian civil wars | 1130 | 1240 | 110 years |
| Tuareg rebellions | 1916 | Ongoing | 109 years |
| Jin–Song Wars | 1125 | 1234 | 109 years |
| Seleucid–Parthian Wars | 238 BC | 129 BC | 109 years |
| Crisis of the Roman Republic | 135 BC | 27 BC | 108 years |
| Kurdish separatism in Iran | 1918 | Ongoing | 107 years |
| Georgian–Seljuk wars | 1099 | 1203 | 104 years |
| Hephthalite–Sasanian Wars | 459 | 562 | 103 years |
| Kurdish rebellions in Turkey | 6 March 1921 | Ongoing | 104 years, 1 week and 2 days |
| Montenegro-Japan War | 1904 | 2008 | 102 years, 4 months, 1 week and 1 day |
| Russo-Circassian War | 1763 | 1864 | 100 years, 10 months and 4 days |
| Xhosa Wars | 1779 | 1879 | 100 years |
| Zemene Mesafint | 1755 | 1855 | 100 years |
| Xinjiang conflict | 1931 | Ongoing | 94 years |
| Beaver Wars | 1609 | 1701 | 92 years |
| Afghan–Sikh Wars | 1751 | 1837 | 86 years |
| Iraqi–Kurdish conflict | 1918 | 2003 | 85 years |
| Dagohoy rebellion | 24 January 1744 | 31 August 1829 | 85 years, 7 months and 1 week |
| Anglo-Afghan War | 1839 | 1919 | 80 years |
| Eighty Years' War | 1568 | 1648 | 80 years |
| Spanish conquest of Petén | 1618 | 1697 | 79 years |
| Korean conflict | 15 August 1945 | Ongoing | 79 years and 7 months |
| Muslim conquest of Transoxiana | 673 | 751 | 78 years |
| Anglo-Ashanti wars | 1823 | 1900 | 77 years |
| Umayyad conquest of Hispania | 711 | 788 | 77 years |
| Rohingya insurgency | 1947 | Ongoing | 78 years |
| Indo-Pakistani wars and conflicts | 22 October 1947 | Ongoing | 77 years, 4 months and 3 weeks |
| Kashmir conflict | 22 October 1947 | Ongoing | 77 years, 4 months and 3 weeks |
| Ethiopian-Somali wars | 1948 | Ongoing | 77 years |
| Insurgency in Balochistan | 1948 | Ongoing | 77 years |
| Internal conflict in Myanmar | 2 April 1948 | Ongoing | 76 years, 11 months, 1 week and 6 days |
| Arab–Israeli conflict | 15 May 1948 | Ongoing | 76 years and 10 months |
| Afghanistan–Pakistan border skirmishes | 1949 | Ongoing | 76 years |
| Karen conflict | 1949 | Ongoing | 76 years |
| Muslim conquest of Sicily | June 827 | August 902 | 75 years and 2 months |
| Apache Wars | 1849 | 1924 | 75 years |
| French conquest of Algeria | 1830 | 1903 | 73 years |
| Dzungar–Qing Wars | 1687 | 1758 | 71 years |
| Jewish–Roman wars | 66 | 136 | 70 years |
| Argentine Civil Wars | 1814 | 1880 | 66 years |
| Italian Wars | 1494 | 1559 | 65 years |
| Darfur Wars of Succession | 1722 | 1786 | 64 years |
| South Thailand insurgency | 1960 | Ongoing | 65 years |
| Muslim conquest of the Maghreb | 647 | 709 | 62 years |
| Papua conflict | 1962 | Ongoing | 63 years |
| Cross border attacks in Sabah | 1962 | Ongoing | 63 years |
| Insurgency in Northeast India | 1963 | Ongoing | 62 years |
| Sixty Years' War | 1754 | 1814 | 60 years |
| Dutch–Portuguese War | 1601 | 1661 | 60 years |
| Lelantine War | 710 BC | 650 BC | 60 years |
| Colombian conflict | 1964 | Ongoing | 61 years |
| Insurgency in Manipur | 24 November 1964 | Ongoing | 60 years, 3 months, 2 weeks and 5 days |
| Israeli–Lebanese conflict | 14 May 1948 | 18 August 2006 | 58 years, 3 months and 4 days |
| Naxalite–Maoist insurgency | 18 May 1967 | Ongoing | 57 years, 9 months, 3 weeks and 4 days |
| Texas–Indian wars | 1820 | 1875 | 55 years |
| Civil conflict in the Philippines | 29 March 1969 | Ongoing | 55 years, 11 months, 2 weeks and 1 day |
| Western Sahara conflict | 1970 | Ongoing | 55 years |
| Basque conflict | 31 July 1959 | 20 October 2011 | 52 years, 2 months, 2 weeks and 6 days |
| Bulgarian–Ottoman wars | 1344 | 1396 | 52 years |
| Galicia–Volhynia Wars | 1340 | 1392 | 52 years |
| Communist insurgency in Burma | 1939 | 1989 | 50 years |
| Byzantine conquest of Bulgaria | 968 | 1018 | 50 years |
| Greco-Persian Wars | 499 BC | 449 BC | 50 years |
| Moro conflict | 29 March 1969 | 22 February 2019 | 49 years, 10 months, 3 weeks and 3 days |
| Comanche–Mexico Wars | 1821 | 1870 | 49 years |
| Whisky War | 17 December 1973 | 14 June 2022 | 48 years, 5 months and 4 weeks |
| Cabinda War | 8 November 1975 | Ongoing | 49 years, 4 months and 1 week |
| Wars of the Diadochi | 322 BC | 275 BC | 47 years |
| Caucasian War | 1817 | 1864 | 47 years |
| Afghanistan conflict | 27 April 1978 | Ongoing | 46 years, 10 months, 2 weeks and 2 days |
| Kurdish–Turkish conflict (1978–present) | 27 November 1978 | Ongoing | 46 years, 3 months, 2 weeks and 2 days |
| Cold War (Indirect War) (outline) | 1946 | 1991 | 45 years |
| Chadian Civil Wars | 1965 | 2010 | 45 years |
| Assam separatist movements | 1979 | Ongoing | 46 years |
| Kongo Civil War | 1665 | 1709 | 44 years |
| Internal conflict in Peru | 17 May 1980 | Ongoing | 44 years, 9 months, 3 weeks and 5 days |
| Maoist insurgency in Turkey | 12 September 1980 | Ongoing | 44 years, 6 months and 3 days |
| Sino-Dutch conflicts | 1620 | 1662 | 42 years |
| Thirty-Eight Years' War | 770 | 811 | 41 years |
| Umayyad invasion of Gaul | 719 | 759 | 40 years |
| Spanish conquest of the Inca Empire | 1532 | 1572 | 40 years |
| Chichimeca War | 1550 | 1590 | 40 years |
| Polish–Czechoslovak border conflicts | 1918 | 1958 | 40 years |
| Comanche Wars | 1836 | 1875 | 39 years |
| Bab al-Tabbaneh–Jabal Mohsen conflict | 1976 | 2015 | 39 years |
| Guatemalan Civil War | 13 November 1960 | 29 December 1996 | 36 years, 1 month, 2 weeks and 2 days |
| Lord's Resistance Army insurgency | 1987 | Ongoing | 38 years |
| French Wars of Religion | 1562 | 1598 | 36 years |
| Banana Wars | 1898 | 1934 | 36 years |
| Anglo-Powhatan Wars | 1610 | 1646 | 36 years |
| Nagorno-Karabakh conflict | 20 February 1988 | 1 January 2024 | 35 years, 10 months, 1 week and 5 days |
| Holy Man's Rebellion | 1901 | 1936 | 35 years |
| Insurgency in Jammu and Kashmir | 1989 | Ongoing | 36 years |
| Abkhaz–Georgian conflict | 1989 | Ongoing | 36 years |
| Georgian–Ossetian conflict | 1989 | Ongoing | 36 years |
| Sectarianism in Pakistan | 1989 | Ongoing | 36 years |
| Internal conflict in Bangladesh | 1989 | Ongoing | 36 years |
| DHKP/C insurgency in Turkey | 1 April 1990 | Ongoing | 34 years, 11 months and 2 weeks |
| Ayutthaya-Lan Na War | 1441 | 1474 | 33 years |
| Somali Civil War | May 1991 | Ongoing | 33 years and 10 months |
| Wars of the Roses | 1455 | 1487 | 32 years |
| First War of Scottish Independence | 1296 | 1328 | 32 years |
| Casamance conflict | 1982 | 2014 | 32 years |
| Anglo-Mysore Wars | 1767 | 1799 | 32 years |
| Libyan resistance movement | 1911 | 1943 | 32 years |
| Second Viking invasion of the British Isles | 980 | 1012 | 32 years |
| Insurgency in Laos | 3 December 1975 | 2008 | 32 years |
| Oromo conflict | 1992 | Ongoing | 33 years |
| Aceh War | 1873 | 1904 | 31 years |
| Āfāqī Khoja Holy War | 1826 | 1857 | 31 years |
| The Troubles | 1968 | 1998 | 30 years |
| Thirty Years' War | 1618 | 1648 | 30 years |
| Chiapas conflict | 1994 | 2014 | 31 years |
| Eritrean War of Independence | 1 September 1961 | 29 May 1991 | 29 years, 8 months, 3 weeks and 2 days |
| Norman Conquest of Sicily | May 1061 | February 1091 | 29 years and 9 months |
| Murid War | 1830 | 1859 | 29 years |
| Insurgency in Aceh | 4 December 1976 | 15 August 2005 | 28 years, 8 months, 1 week and 4 days |
| Intercommunal conflict in Mandatory Palestine | 1 March 1920 | 15 May 1948 | 28 years, 2 months and 2 weeks |
| Portuguese Restoration War | 1640 | 1668 | 28 years |
| Nicaraguan Revolution | 1962 | 1990 | 28 years |
| FULRO insurgency | 20 September 1964 | October 1992 | 28 years |
| Insurgency in Meghalaya | 1996 | Ongoing | 29 years |
| Allied Democratic Forces insurgency | 1996 | Ongoing | 29 years |
| Communist insurgency in Sarawak | December 1962 | 3 November 1990 | 27 years, 11 months and 2 days |
| Peloponnesian War | 431 BC | 404 BC | 27 years |
| New Zealand Wars | 1845 | 1872 | 27 years |
| Angolan Civil War | 1975 | 2002 | 27 years |
| Russo-Finnish wars | 27 January 1918 | 19 September 1944 | 26 years, 7 months, 3 weeks and 2 days |
| Al-Qaeda insurgency in Yemen | 1998 | Ongoing | 27 years |
| Communal conflicts in Nigeria | 1998 | Ongoing | 27 years |
| Sri Lankan Civil War | 23 July 1983 | 18 May 2009 | 25 years, 9 months, 3 weeks and 4 days |
| Mughal–Maratha Wars | September 1681 | May 1707 | 25 years and 8 months |
| Livonian War | 1558 | 1583 | 25 years |
| Spanish American wars of independence | 1808 | 1833 | 25 years |
| Insurgency in Ogaden | 22 February 1994 | 12 August 2018 | 24 years, 5 months and 3 weeks |
| Indonesian occupation of East Timor | 7 December 1975 | 31 October 1999 | 23 years, 10 months, 3 weeks and 3 days |
| South African Border war | 26 August 1966 | 21 March 1990 | 24 years |
| First Punic War | 264 BC | 241 BC | 23 years |
| Second Afar insurgency | 1995 | 18 July 2018 | 23 years |
| Silesian Wars | 1740 | 1763 | 23 years |
| War on terror | 14 September 2001 | Ongoing | 23 years, 6 months and 1 day |
| Laotian Civil War | 9 November 1953 | 2 December 1975 | 22 years, 3 weeks and 2 days |
| Second Sudanese Civil War | 1983 | 2005 | 22 years |
| Italian Unification Wars | 1848 | 1870 | 22 years |
| Occupation of Araucanía | 1861 | 1883 | 22 years |
| Norman conquest of England | 1066 | 1088 | 22 years |
| Kandyan Wars | 1796 | 1818 | 22 years |
| Little War in Hungary | 1530 | 1552 | 22 years |
| Chinese Civil War | 1 August 1927 | 7 December 1949 | 22 years |
| Insurgency in the Maghreb | 11 April 2002 | Ongoing | 22 years, 11 months and 4 days |
| Communist insurgency in Malaysia (1968–1989) | 17 June 1968 | 2 December 1989 | 21 years, 5 months, 2 weeks and 1 day |
| United States occupation of Nicaragua | 1912 | 1933 | 21 years |
| Lazic War | 541 | 562 | 21 years |
| Great Northern War | 1700 | 1721 | 21 years |
| Ottoman conquest of Habesh | 1557 | 1578 | 21 years |
| Muslim conquest of Persia | 633 | 654 | 21 years |
| Conflict in the Niger Delta | 2003 | Ongoing | 22 years |
| War in Darfur | 26 February 2003 | Ongoing | 22 years, 2 weeks and 3 days |
| Eumeralla Wars | 1840 | 1860 | 20 years |
| War of the Sicilian Vespers | 1282 | 1302 | 20 years |
| Somaliland campaign | 1900 | 1920 | 20 years |
| Chittagong Hill Tracts conflict | 1977 | 2 December 1997 | 20 years |
| Kivu conflict | 2004 | Ongoing | 21 years |
| Sistan and Baluchestan insurgency | 2004 | Ongoing | 21 years |
| Insurgency in Khyber Pakhtunkhwa | 16 March 2004 | Ongoing | 20 years, 11 months, 3 weeks and 6 days |
| Iran–PJAK conflict | 1 April 2004 | Ongoing | 20 years, 11 months and 2 weeks |
| War in Afghanistan (2001–2021) | 7 October 2001 | 15 August 2021 | 19 years, 10 months, 1 week and 1 day |
| Vietnam War (outline) | 1 November 1955 | 30 April 1975 | 19 years, 5 months, 4 weeks and 1 day |
| Byzantine–Sasanian War of 572–591 | 572 | 591 | 19 years |
| Miao Rebellion (1854–1873) | 1854 | 1873 | 19 years |
| Gothic War | 535 | 554 | 19 years |
| Insurgency in Paraguay | 27 August 2005 | Ongoing | 19 years, 6 months, 2 weeks and 2 days |
| Jeroboam's Revolt | 931 BC | 913 BC | 18 years |
| Communist insurgency in Thailand | 1965 | 1983 | 18 years |
| Basmachi movement | 1916 | 1934 | 18 years |
| Mahdist War | 1881 | 1899 | 18 years |
| Second Punic War | 218 BC | 201 BC | 17 years |
| Ethiopian Civil War | 12 September 1974 | 4 June 1991 | 16 years, 8 months, 3 weeks and 2 days |
| First Sudanese Civil War | 18 August 1955 | 27 March 1972 | 16 years, 7 months, 1 week and 2 days |
| Bolivian War of Independence | 1809 | 1825 | 16 years |
| Chilean War of Independence | 1810 | 1826 | 16 years |
| Western Sahara War | 30 October 1975 | 6 September 1991 | 15 years, 10 months and 1 week |
| Great Turkish War | 14 July 1683 | 26 January 1699 | 15 years, 6 months, 1 week and 5 days |
| Lebanese Civil War | 13 April 1975 | 13 October 1990 | 15 years and 6 months |
| Rhodesian Bush War | 4 July 1964 | 12 December 1979 | 15 years, 5 months, 1 week and 1 day |
| Morean War | 1684 | 1699 | 15 years |
| Jewish–Babylonian War | 601 BC | 586 BC | 15 years |
| Cambodian–Vietnamese War | 30 April 1977 | 23 October 1991 | 14 years, 5 months, 3 weeks and 2 days |
| Third Indochina War | 1978 | 1992 | 14 years |
| Dhofar Rebellion | 1962 | 1976 | 14 years |
| Years of Lead (Italy) | 1968 | 1982 | 14 years |
| Taiping Rebellion | 1850 | 1864 | 14 years |
| Russo-Turkish War (1686–1700) | 1686 | 1700 | 14 years |
| Abyssinian–Adal war | 1529 | 1543 | 14 years |
| Marcomannic Wars | 166 | 180 | 14 years |
| Second Sino-Japanese War | 18 September 1931 | 9 September 1945 | 13 years, 11 months, 3 weeks and 1 day |
| Portuguese Colonial War | 4 February 1961 | 25 April 1974 | 13 years, 2 months and 3 weeks |
| Darul Islam rebellion | August 1949 | September 1962 | 13 years, 3 weeks and 5 days |
| War of the Spanish Succession | 9 July 1702 | 11 July 1715 | 13 years and 2 days |
| Peruvian War of Independence | 1811 | 1824 | 13 years |
| Venezuelan War of Independence | 1810 | 1823 | 13 years |
| Wars of Alexander the Great | 336 BC | 323 BC | 13 years |
| Syrian civil war | 15 March 2011 | Ongoing | 14 years |
| Napoleonic Wars | 18 May 1803 | 20 November 1815 | 12 years, 6 months and 2 days |
| Burundian Civil War | 21 October 1993 | 15 April 2006 | 12 years, 5 months, 3 weeks and 4 days |
| Haitian Revolution | 21 August 1791 | 1 January 1804 | 12 years, 4 months, 1 week and 4 days |
| Malayan Emergency | 16 June 1948 | 12 July 1960 | 12 years, 3 weeks and 5 days |
| Salvadoran Civil War | 15 October 1979 | 16 January 1992 | 12 years, 3 months and 1 day |
| Iraqi no-fly zones conflict | 1991 | 2003 | 12 years |
| Wars of the Three Kingdoms | 1639 | 1651 | 12 years |
| Cimbrian War | 113 BC | 101 BC | 12 years |
| Sino-Vietnamese conflicts (1979–1991) | 1979 | 1991 | 12 years |
| Guinea-Bissau War of Independence | 23 January 1963 | 10 September 1974 | 11 years, 7 months, 2 weeks and 4 days |
| Queen Anne's War | 8 March 1702 | 13 July 1713 | 11 years, 4 months and 5 days |
| Mexican War of Independence | 16 September 1810 | 27 September 1821 | 11 years, 1 week and 4 days |
| Dano-Swedish War | 1501 | 1512 | 11 years |
| Pool Department insurgency | 1997 | 2008 | 11 years |
| Insurgency in Punjab | 1984 | 1995 | 11 years |
| Sierra Leone Civil War | 23 March 1991 | 18 January 2002 | 10 years, 9 months, 3 weeks and 5 days |
| Nepalese Civil War | 13 February 1996 | 21 November 2006 | 10 years, 9 months, 1 week and 1 day |
| Houthi insurgency in Yemen | 18 June 2004 | 6 February 2015 | 10 years, 7 months, 2 weeks and 5 days |
| Yugoslav Wars | 31 March 1991 | 12 November 2001 | 10 years, 7 months, 1 week and 5 days |
| Algerian Civil War | 26 December 1991 | 8 February 2002 | 10 years, 1 month, 1 week and 6 days |
| Somaliland War of Independence | 6 April 1981 | 18 May 1991 | 10 years, 1 month, 1 week and 5 days |
| Russo-Ukrainian War | 20 February 2014 | Ongoing | 11 years, 3 weeks and 2 days |
| Yemeni Civil War | 16 September 2014 | Ongoing | 10 years, 5 months, 3 weeks and 6 days |
| Soviet–Afghan War | 24 December 1979 | 15 February 1989 | 9 years, 1 month, 3 weeks and 1 day |
| Iraq War | 20 March 2003 | 15 December 2011 | 8 years, 8 months, 3 weeks and 4 days |
| American Revolutionary War | 19 April 1775 | 3 September 1783 | 8 years, 4 months, 2 weeks and 1 day |
| Aksumite-Persian wars | 570 | 578 | 8 years |
| Iran–Iraq War | 22 September 1980 | 20 August 1988 | 7 years, 10 months, 4 weeks and 1 day |
| War of the Austrian Succession | 16 December 1740 | 18 October 1748 | 7 years, 10 months and 2 days |
| World War II | 1 September 1939 | 2 September 1945 | 6 years and 1 day |
| Jebel Akhdar War | 30 January 1954 | 10 October 1959 | 5 years, 8 months, 1 week and 3 days |
| Paraguayan War | 1864 | 1870 | 5 years, 3 months, 2 weeks and 2 days |
| Second Congo War | 2 August 1998 | 18 June 2003 | 4 years, 10 months, 2 weeks and 2 days |
| Russian Civil War | 7 November 1917 | 16 June 1923 | 4 years, 7 months, 1 week and 2 days |
| World War I (outline) | 28 July 1914 | 11 November 1918 | 4 years, 3 months and 2 weeks |
| American Civil War (outline) | 12 April 1861 | 9 April 1865 | 3 years, 11 months and 4 weeks |
| Philippine-American War | 4 February 1899 | 2 July 1902 | 3 years, 3 months, 4 weeks and 1 day |
| War of Attrition | 1 July 1967 | 7 August 1970 | 3 years, 1 month and 6 days |
| Spanish Civil War | 17 July 1936 | 1 April 1939 | 2 years, 9 months, 2 weeks and 1 day |
| War of 1812 | 18 June 1812 | 17 February 1815 | 2 years, 8 months, 4 weeks and 2 days |
| Nigerian Civil War | 6 July 1967 | 15 January 1970 | 2 years, 7 months, 1 week and 2 days |
| Crimean War | 16 October 1853 | 30 March 1856 | 2 years, 5 months and 2 weeks |
| Tigray War | 3 November 2020 | 3 November 2022 | 2 years |
| War of the Polish Succession | 10 October 1733 | 3 October 1735 | 1 year, 11 months, 3 weeks and 2 days |
| Mexican-American War | 25 April 1846 | 2 February 1848 | 1 year, 9 months, 1 week and 1 day |
| Toyota War | 16 December 1986 | 11 September 1987 | 8 months, 3 weeks and 5 days |
| Gulf War | 2 August 1990 | 28 February 1991 | 6 months, 3 weeks and 5 days |
| Spanish-American War | 21 April 1898 | 13 August 1898 | 3 months, 3 weeks and 2 days |
| Insurgency of Ilinden–Preobrazhenie | 2 August 1903 | November 1903 | 2 or 3 months |
| Falklands War | 2 April 1982 | 14 June 1982 | 2 months, 1 week and 5 days |
| Austro-Prussian War | 14 June 1866 | 22 July 1866 | 1 month, 1 week and 1 day |
| Turkish-Cypriot War of 1974 | 20 July 1974 | 18 August 1974 | 4 weeks and 1 day |
| Serbo-Bulgarian War | 14 November 1885 | 28 November 1885 | 2 weeks |
| Indo-Pakistani War of 1971 | 3 December 1971 | 16 December 1971 | 1 week and 6 days |
| Russo-Georgian War | 1 August 2008 | 12 August 2008 | 1 week and 4 days |
| Six Day War | 5 June 1967 | 10 June 1967 | 6 days |
| Rwandan-Ugandan War | 5 June 2000 | 10 June 2000 | 5 days |
| Football War | 14 July 1969 | 18 July 1969 | 4 days |
| Wagner Group rebellion | 23 June 2023 | 24 June 2023 | 1 day |
| 2023 Nagorno-Karabakh clashes | 19 September 2023 (13:17) | 20 September 2023 (13:00) | 23 hours 43 minutes |
| 2008 Invasion of Anjoun | 25 March 2008 (05:00) | 25 March 2008 (12:00) | 7 hours |
| Anglo-Zanzibar war | 27 August 1896 (09:00) | 27 August 1896 (09:37) | 38 minutes |