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 (1978–2025)	27.11.1978	12 5 2025
Assam separatist movements	7 4 1979	Ongoing
Cold War (outline)	16 4 1946	26.12.1991
Internal conflict in Peru	17 5 1980	Ongoing
Maoist insurgency in Turkey	12.09.1980	Ongoing
Chadian [Civil War (disambiguation)\|Chadian Civil War]s	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 (1968–1989)	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 (2001–2021)	7 10 2001	15 8 2021
Insurgency in Paraguay	27 8 2005	Ongoing
Vietnam War (outline)	1 11 1955	30 4 1975
Byzantine–Sasanian War of 572–591
Miao Rebellion (1854–1873)
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 (Italy)
Taiping Rebellion
Russo-Turkish War (1686–1700)
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 (1979–1991)
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 (outline)	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 (1940)	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