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 | |||
| Anglo-French Wars | |||
| Roman–Persian Wars | |||
| Byzantine–Bulgarian wars | |||
| Roman-Germanic wars | |||
| Arab–Byzantine wars | |||
| Yaqui Wars | |||
| Yemeni–Ottoman conflicts | |||
| Moroccan–Portuguese conflicts | |||
| Russo-Turkish wars | |||
| Arauco War | |||
| Dano-Swedish wars | |||
| Spanish–Moro conflict | |||
| Apache–Mexico Wars | |||
| American Indian Wars | |||
| Ottoman–Persian Wars | |||
| Burmese-Siamese wars | |||
| Han–Xiongnu War | |||
| Navajo Wars | |||
| Ottoman–Habsburg wars | |||
| Byzantine–Seljuk wars | |||
| Anglo-Scottish Wars | |||
| Chechen–Russian conflict | |||
| Warring States period | |||
| Muslim conquests of Afghanistan | |||
| Polish-Russian Wars | |||
| Byzantine–Ottoman wars | |||
| Polish–Teutonic War | |||
| Roman conquest of the Iberian Peninsula | |||
| Russian conquest of Siberia | |||
| Crusades | |||
| Cossack uprisings | |||
| Byzantine–Lombard wars | |||
| Russo-Persian Wars | |||
| Spanish conquest of Guatemala | |||
| Spanish conquest of Chiapas | |||
| Genoese–Mongol Wars | |||
| Muscovite–Lithuanian Wars | |||
| Mughal–Sikh wars | |||
| Ottoman–Hungarian wars | |||
| Polish–Swedish wars | |||
| Anglo-Dutch Wars | |||
| Sengoku period | |||
| Australian frontier wars | |||
| Hook and Cod wars | |||
| Mongol invasions and conquests | |||
| Chola-Chalakya Wars | |||
| Early Muslim conquests | |||
| Second Hundred Years' War | |||
| Punic Wars | |||
| Hundred Years' War | |||
| Russo-Kazan Wars | |||
| Norwegian civil wars | |||
| Tuareg rebellions | Ongoing | ||
| Jin–Song Wars | |||
| Seleucid–Parthian Wars | |||
| Crisis of the Roman Republic | |||
| Kurdish separatism in Iran | Ongoing | ||
| Kurdish rebellions in Turkey | 6 3 1921 | Ongoing | |
| Georgian–Seljuk wars | |||
| Hephthalite–Sasanian Wars | |||
| Russo-Circassian War | |||
| Xhosa Wars | |||
| Zemene Mesafint | |||
| Xinjiang conflict | Ongoing | ||
| Beaver Wars | |||
| Afghan–Sikh Wars | |||
| Iraqi–Kurdish conflict | |||
| Dagohoy rebellion | 24 1 1744 | 31 8 1829 | |
| Anglo-Afghan War | |||
| Eighty Years' War | |||
| Korean conflict | 15.08.1945 | Ongoing | |
| Spanish conquest of Petén | |||
| Rohingya insurgency | Ongoing | ||
| Muslim conquest of Transoxiana | |||
| Indo-Pakistani wars and conflicts | 22.10.1947 | Ongoing | |
| Kashmir conflict | 22.10.1947 | Ongoing | |
| Internal conflict in Myanmar | 02.04.1948 | Ongoing | |
| Arab–Israeli conflict | 15 5 1948 | Ongoing | |
| Anglo-Ashanti wars | |||
| Umayyad conquest of Hispania | |||
| Insurgency in Balochistan | Ongoing | ||
| Ethiopian-Somali wars | 23 9 1948 | Ongoing | |
| Karen conflict | 31 1 1949 | Ongoing | |
| Afghanistan–Pakistan border skirmishes | Ongoing | ||
| Muslim conquest of Sicily | |||
| Apache Wars | |||
| French conquest of Algeria | |||
| Dzungar–Qing Wars | |||
| Jewish–Roman wars | |||
| Argentine Civil Wars | |||
| Italian Wars | |||
| South Thailand insurgency | Ongoing | ||
| Darfur Wars of Succession | |||
| Papua conflict | 1 10 1962 | Ongoing | |
| Cross border attacks in Sabah | 8 12 1962 | Ongoing | |
| Insurgency in Northeast India | Ongoing | ||
| Muslim conquest of the Maghreb | |||
| Anglo-Burmese Wars | 05.03.1824 | 29.11.1885 | |
| Colombian conflict | 27 5 1964 | Ongoing | |
| Insurgency in Manipur | 24.11.1964 | Ongoing | |
| Sixty Years' War | |||
| Dutch–Portuguese War | |||
| Lelantine War | |||
| Naxalite–Maoist insurgency | 18 5 1967 | Ongoing | |
| Israeli–Lebanese conflict | 14 5 1948 | 18.08.2006 | |
| Texas–Indian wars | |||
| Civil conflict in the Philippines | 29 3 1969 | Ongoing | |
| Western Sahara conflict | 17 6 1970 | Ongoing | |
| Basque conflict | 31.07.1959 | 20.10.2011 | |
| Bulgarian–Ottoman wars | |||
| Galicia–Volhynia Wars | |||
| Communist insurgency in Burma | |||
| Byzantine conquest of Bulgaria | |||
| Greco-Persian Wars | |||
| Moro conflict | 29 3 1969 | 22 2 2019 | |
| Cabinda War | 8 11 1975 | Ongoing | |
| Comanche–Mexico Wars | |||
| Whisky War ' | 17.12.1973 | 14 6 2022 | |
| Afghanistan conflict | 27 4 1978 | Ongoing | |
| Wars of the Diadochi | |||
| Caucasian War | |||
| Kurdish–Turkish conflict | 27.11.1978 | 12 5 2025 | |
| Assam separatist movements | 7 4 1979 | Ongoing | |
| Cold War | 16 4 1946 | 26.12.1991 | |
| Internal conflict in Peru | 17 5 1980 | Ongoing | |
| Maoist insurgency in Turkey | 12.09.1980 | Ongoing | |
| Chadian Civil Wars | 1 11 1965 | 15 1 2010 | |
| Kongo Civil War | 29.10.1665 | 04.10.1709 | |
| Sino-Dutch conflicts | |||
| Thirty-Eight Years' War | |||
| Umayyad invasion of Gaul | |||
| Spanish conquest of the Inca Empire | |||
| Chichimeca War | |||
| Polish–Czechoslovak border conflicts | |||
| Comanche Wars | |||
| Bab al-Tabbaneh–Jabal Mohsen conflict | |||
| Lord's Resistance Army insurgency | Ongoing | ||
| Sectarianism in Pakistan | Ongoing | ||
| Abkhaz–Georgian conflict | 18 3 1989 | Ongoing | |
| Guatemalan Civil War | 13.11.1960 | 29.12.1996 | |
| French Wars of Religion | |||
| Banana Wars | |||
| Anglo-Powhatan Wars | |||
| Internal conflict in Bangladesh | Ongoing | ||
| Insurgency in Jammu and Kashmir | 13 7 1989 | Ongoing | |
| Nagorno-Karabakh conflict | 20.02.1988 | 01.01.2024 | |
| Georgian–Ossetian conflict | 10.11.1989 | Ongoing | |
| DHKP/C insurgency in Turkey | 1 4 1990 | Ongoing | |
| Holy Man's Rebellion | |||
| Somali Civil War | Ongoing | ||
| Oromo conflict | Ongoing | ||
| Ayutthaya-Lan Na War | |||
| Wars of the Roses | |||
| First War of Scottish Independence | |||
| Casamance conflict | |||
| Anglo-Mysore Wars | |||
| Libyan resistance movement | |||
| Second Viking invasion of the British Isles | |||
| Insurgency in Laos | 3 12 1975 | ||
| Aceh War | |||
| Āfāqī Khoja Holy War | |||
| The Troubles | |||
| Thirty Years' War | |||
| Chiapas conflict | |||
| Eritrean War of Independence | 1 9 1961 | 29 5 1991 | |
| Norman Conquest of Sicily | |||
| Murid War | |||
| Insurgency in Meghalaya | Ongoing | ||
| Allied Democratic Forces insurgency | Ongoing | ||
| Insurgency in Aceh | 4 12 1976 | 15 8 2005 | |
| Intercommunal conflict in Mandatory Palestine | 1 3 1920 | 15 5 1948 | |
| Portuguese Restoration War | |||
| Nicaraguan Revolution | |||
| FULRO insurgency | 20.09.1964 | ||
| Communist insurgency in Sarawak | 3 11 1990 | ||
| Peloponnesian War | |||
| New Zealand Wars | |||
| Angolan Civil War | |||
| Communal conflicts in Nigeria | Ongoing | ||
| Al-Qaeda insurgency in Yemen | 30.12.1998 | Ongoing | |
| Russo-Finnish wars | 27 1 1918 | 19 9 1944 | |
| Sri Lankan Civil War | 23 7 1983 | 18 5 2009 | |
| Mughal–Maratha Wars | |||
| Livonian War | |||
| Spanish American wars of independence | |||
| Insurgency in Ogaden | |||
| South African Border War | 26 8 1966 | 21 3 1990 | |
| War on terror | 14 9 2001 | Ongoing | |
| War on drugs | 17 6 1971 | Ongoing | |
| Indonesian occupation of East Timor | 7 12 1975 | 31.10.1999 | |
| Great French War | 20 4 1792 | 20.11.1815 | |
| Insurgency in the Maghreb | 11 4 2002 | Ongoing | |
| First Punic War | |||
| Second Afar insurgency | |||
| Silesian Wars | |||
| Conflict in the Niger Delta | 12 3 2003 | Ongoing | |
| War in Darfur | 26 2 2003 | 31 8 2020 | |
| Laotian Civil War | 9 11 1953 | 2 12 1975 | |
| Second Sudanese Civil War | |||
| Italian Unification Wars | |||
| Occupation of Araucanía | |||
| Norman conquest of England | |||
| Kandyan Wars | |||
| Little War in Hungary | |||
| Chinese Civil War | 1 8 1927 | 7 12 1949 | |
| Communist insurgency in Malaysia | 17 6 1968 | 2 12 1989 | |
| Insurgency in Khyber Pakhtunkhwa | 16 3 2004 | Ongoing | |
| Iran–PJAK conflict | 1 4 2004 | Ongoing | |
| Kivu conflict | Ongoing | ||
| Sistan and Baluchestan insurgency | Ongoing | ||
| United States occupation of Nicaragua | |||
| Lazic War | |||
| Great Northern War | |||
| Ottoman conquest of Habesh | |||
| Muslim conquest of Persia | |||
| Eumeralla Wars | |||
| War of the Sicilian Vespers | |||
| Somaliland campaign | |||
| Chittagong Hill Tracts conflict | 2 12 1997 | ||
| War in Afghanistan | 7 10 2001 | 15 8 2021 | |
| Insurgency in Paraguay | 27 8 2005 | Ongoing | |
| Vietnam War | 1 11 1955 | 30 4 1975 | |
| Byzantine–Sasanian War of 572–591 | |||
| Miao Rebellion | |||
| Gothic War | |||
| Jeroboam's Revolt | |||
| Mexican drug war | 11.12.2006 | Ongoing | |
| Communist insurgency in Thailand | |||
| Basmachi movement | |||
| Mahdist War | |||
| Second Punic War | |||
| Ethiopian Civil War | 12 9 1974 | 4 6 1991 | |
| First Sudanese Civil War | 18 8 1955 | 27 3 1972 | |
| Bolivian War of Independence | |||
| Chilean War of Independence | |||
| Western Sahara War | 30.10.1975 | 6 9 1991 | |
| Great Turkish War | 14 7 1683 | 26 1 1699 | |
| Lebanese Civil War | 13 4 1975 | 13.10.1990 | |
| Rhodesian Bush War | 4 7 1964 | 12.12.1979 | |
| Morean War | |||
| Jewish–Babylonian War | |||
| Cambodian–Vietnamese War | 30 4 1977 | 23.10.1991 | |
| Syrian Civil War | 15 3 2011 | Ongoing | |
| Third Indochina War | |||
| Dhofar Rebellion | |||
| Years of Lead | |||
| Taiping Rebellion | |||
| Russo-Turkish War | |||
| Abyssinian–Adal war | |||
| Marcomannic Wars | |||
| Second Sino-Japanese War | 18 9 1931 | 9 9 1945 | |
| Portuguese Colonial War | 4 2 1961 | 25 4 1974 | |
| Darul Islam rebellion | |||
| War of the Spanish Succession | 9 7 1702 | 11 7 1715 | |
| Peruvian War of Independence | |||
| Venezuelan War of Independence | |||
| Wars of Alexander the Great | |||
| Napoleonic Wars | 18 5 1803 | 20.11.1815 | |
| Burundian Civil War | 21.10.1993 | 15 4 2006 | |
| Haitian Revolution | 21 8 1791 | 1 1 1804 | |
| Malayan Emergency | 16 6 1948 | 12 7 1960 | |
| Salvadoran Civil War | 15.10.1979 | 16 1 1992 | |
| Iraqi no-fly zones conflict | |||
| Wars of the Three Kingdoms | |||
| Cimbrian War | |||
| Sino-Vietnamese conflicts | |||
| Guinea-Bissau War of Independence | 23 1 1963 | 10 9 1974 | |
| Queen Anne's War | 8 3 1702 | 13 7 1713 | |
| Russo-Ukrainian War | 20 2 2014 | Ongoing | |
| Mexican War of Independence | 16 9 1810 | 27 9 1821 | |
| Dano-Swedish War | |||
| Pool Department insurgency | |||
| Insurgency in Punjab | |||
| Sierra Leone Civil War | 23 3 1991 | 18 1 2002 | |
| Nepalese Civil War | 13 2 1996 | 21.11.2006 | |
| Yemeni Civil War | 16 9 2014 | Ongoing | |
| Houthi insurgency in Yemen | 18 6 2004 | 6 2 2015 | |
| Yugoslav Wars | 31 3 1991 | 12.11.2001 | |
| Algerian Civil War | 26.12.1991 | 8 2 2002 | |
| Somaliland War of Independence | 6 4 1981 | 18 5 1991 | |
| Soviet–Afghan War | 24.12.1979 | 15 2 1989 | |
| Iraq War | 20 3 2003 | 15.12.2011 | |
| American Revolutionary War | 19 4 1775 | 3 9 1783 | |
| Aksumite-Persian wars | |||
| Iran–Iraq War | 22 9 1980 | 20 8 1988 | |
| War of the Austrian Succession | 16.12.1740 | 18.10.1748 | |
| World War II | 1 9 1939 | 2 9 1945 | |
| Jebel Akhdar War | 30 1 1954 | 10.10.1959 | |
| Paraguayan War | |||
| Second Congo War ' | 2 8 1998 | 18 6 2003 | |
| Russian Civil War | 7 11 1917 | 16 6 1923 | |
| World War I | 28 7 1914 | 11.11.1918 | |
| American Civil War | 12 4 1861 | 9 4 1865 | |
| Philippine-American War | 4 2 1899 | 2 7 1902 | |
| War of Attrition | 1 7 1967 | 7 8 1970 | |
| Korean War | 25 6 1950 | 27 7 1953 | |
| Spanish Civil War | 17 7 1936 | 1 4 1939 | |
| War of 1812 | 18 6 1812 | 17 2 1815 | |
| Nigerian Civil War | 6 7 1967 | 15 1 1970 | |
| Crimean War | 16.10.1853 | 30 3 1856 | |
| Tigray War | 3 11 2020 | 3 11 2022 | |
| War of the Polish Succession | 10.10.1733 | 3 10 1735 | |
| Mexican–American War | 25 4 1846 | 2 2 1848 | |
| Toyota War | 16.12.1986 | 11 9 1987 | |
| Gulf War | 2 8 1990 | 28 2 1991 | |
| Spanish–American War | 21 4 1898 | 13 8 1898 | |
| Ilinden–Preobrazhenie Uprising | 2 8 1903 | ||
| Falklands War | 02.04.1982 | 14.06.1982 | |
| Austro-Prussian War | 14.06.1866 | 22.07.1866 | |
| Turkish-Cypriot War of 1974 | 20.07.1974 | 18.08.1974 | |
| German invasion of Belgium | 10 May 1940 | 28 May 1940 | 2 weeks and 4 days |
| Serbo-Bulgarian War | 14.11.1885 | 28.11.1885 | |
| Indo-Pakistani War of 1971 | 3 12 1971 | 16.12.1971 | |
| Iran–Israel War | 13.06.2025 | 24.06.2025 | |
| Russo-Georgian War | 1 8 2008 | 12 8 2008 | |
| German invasion of the Netherlands | 10 May 1940 | 17 May 1940 | 1 week |
| Six Day War | 5 6 1967 | 10 6 1967 | |
| Rwandan-Ugandan War | 5 6 2000 | 10 6 2000 | |
| Football War | 14 7 1969 | 18 7 1969 | |
| Wagner Group rebellion | 23 6 2023 | 24 6 2023 | |
| German invasion of Luxembourg | 10 May 1940 | 10 May 1940 | less than 24 hours |
| 2023 Nagorno-Karabakh clashes | 19 September 2023 | 20 September 2023 | 23 hours 43 minutes |
| 2008 invasion of Anjouan | 25 March 2008 | 25 March 2008 | 7 hours |
| 1940 German invasion of Denmark | 09 April 1940 | 09 April 1940 | 6 hours |
| 2026 United States intervention in Venezuela | 03 January 2026 | 03 January 2026 | 2 hours 28 minutes |
| Anglo-Zanzibar war | 27 August 1896 | 27 August 1896 | 38 minutes |