List of wars involving the United States

See also: Timeline of United States military operations and Timeline of United States at war

This is a list of wars involving the United States of America since its founding during the American Revolution.

18th century wars

Conflict	Combatant 1	Combatant 2	Result
American Revolutionary War (1775–1783) Location: Eastern North America, Gibraltar, India, Caribbean Sea, and the Atlantic The Surrender of Lord Cornwallis, which began negotiations between Great Britain and the United States.	United States France Canadian Auxiliaries Spain Iroquois Oneida Tuscarora Watauga Association Catawba Lenape Choctaw Dutch Republic Mysore	Great Britain Loyalists German Auxiliaries Iroquois Onondaga Mohawk Cayuga Seneca Cherokee	Victory Treaty of Paris Britain recognizes the independence of the United States of America
Chickamunga War (1776–1795) Location: Old Southwest Abduction of Daniel Boone's daughter by the Cherokee	United States	Cherokee	Victory
Northwest Indian War (1785–1793) Location: Northwest Territory The Battle of Fallen Timbers	United States Chickasaw Choctaw	Western Confederacy List Council of Three Fires Iroquois Confederacy Seven Nations of Canada Wabash Confederacy (Wea, Piankashaw, and others) Illini Confederacy Wyandot Mississaugas Menominee Shawnee Lenape Miami Kickapoo Kaskaskia Chickamauga Cherokee (or "Lower Cherokee") Upper Muscogee Great Britain British North America	Victory Treaty of Greenville British withdrawal American occupation of the Northwest Territory
Shays' Rebellion (1786–1787) Location: Massachusetts Shays' troops are repulsed from the armory at Springfield, Massachusetts in early 1787.	United States	Anti-Government Protesters	Victory Problems with the Articles of Confederation spur U.S. Constitutional Convention
Whiskey Rebellion (1791–1794) Location: Western Pennsylvania George Washington reviews troops before their march to suppress the rebellion in western Pennsylvania.	United States	Frontier tax protesters	Victory Armed resistance eliminated Minor tax evasion
Quasi-War (1798–1800) Part of the French Revolutionary Wars Location: Atlantic Ocean, the Caribbean, the Indian Ocean, and the Mediterranean USS Constellation vs. L'Insurgente	United States Co-belligerent: Great Britain	France Guadeloupe	Compromise Peaceful cessation of Franco-American alliance End of French privateer attacks on American shipping American neutrality and renunciation of claims against France

19th century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and/or its Allies
First Barbary War (1801–1805) Part of the Barbary Wars Location: Mediterranean Sea off the coast of Tripoli. Lieutenant Presley O'Bannon at Derna, April 1805.	United States Sweden	Eyalet of Tripolitania Sultanate of Morocco	Victory Peace treaty
1811 German Coast Uprising (1811) Location: Territory of Orleans	United States	Rebel slaves Supported by: Haiti	Victory Suppression and later trials
Tecumseh's War (1811) Location: Northwest River Ohio The Battle of Tippecanoe	United States	Tecumseh's Confederacy List Shawnee Red Sticks Ojibway Chickamauga Meskwaki Iroquois Miami Mingo Odawa Kickapoo Lenape Mascouten Potawatomi Sauk Wyandot	Victory Peace treaty
War of 1812 (1812–1815) Location: Eastern and Central North America General Andrew Jackson stands on the parapet of his makeshift defenses as his troops repulse attacking Highlanders, by painter Edward Percy Moran in 1910.	United States Choctaw Cherokee Nation Creek Allies	United Kingdom British North America Tecumseh's Confederacy List Shawnee Red Sticks Ojibway Chickamauga Meskwaki Iroquois Miami Mingo Odawa Kickapoo Lenape Mascouten Potawatomi Sauk Wyandot Spain (1814)	Stalemate Treaty of Ghent; Status quo ante bellum with no boundary changes British assault on Sacket's Harbor repulsed American invasions of British North America repulsed British invasions of the United States repulsed Defeat of Tecumseh's Confederacy
Creek War (1813–1814) Location: Southern United States The Battle of Horseshoe Bend, 1814	United States Lower Creeks Cherokee Nation Choctaw	Red Stick Creek	Victory Treaty of Fort Jackson
Second Barbary War (1815) Part of the Barbary Wars Location: Mediterranean Sea and the Barbary states. Decatur's Squadron off Algiers.	United States	Regency of Algiers	Victory Peace treaty
First Seminole War (1817–1818) Location: Pensacola, Florida Barracks and tents at Fort Brooke near Tampa Bay.	United States	Seminole Spanish Florida	Victory
Texas–Indian Wars (1820–1875) Location: Texas A Kiowa ledger drawing depicting a battle between Southern Plains Indians and the U.S. Army during the Red River War.	Spain Mexico Republic of Texas United States	Comanche	Victory
Arikara War (1823) Location: Missouri River	United States	Arikara	Victory The Arikara eventually settled with the Mandan and Hidatsa on the Fort Berthold Reservation in North Dakota
Aegean Sea Anti-Piracy Operations (1825–1828) Location: Off Greece, Aegean Sea Greek pirate boats attacking the HMS Comet.	United States	Greek Pirates	Victory Defeat of Greek pirates HMS Comet liberated by American forces Message of thanks issued to Louis Goldsborough from the British government
Winnebago War (1827) Location: Illinois and Michigan Territory	United States	Prairie La Crosse Ho-Chunks with a few allies	Victory Ho-Chunks cede lead mining region to the United States
First Sumatran expedition (1832) Location: Aceh Sultanate U.S. Infantry assaulting the Acehnese forts at Kuala Batu in 1832.	United States Netherlands	Chiefdom of Kuala Batee	Victory
Black Hawk War (1832) Location: Illinois and Michigan Territory Native women and children fleeing the Battle of Bad Axe.	United States Ho-Chunk Menominee Dakota Potawatomi	Black Hawks British Band Ho-Chunk and Potawatomi allies	Victory
Second Seminole War (1835–1842) Location: Florida, United States U.S. Marines search for Seminoles in the Everglades	United States	Seminole	Victory 3,800 Seminoles transported to the Indian Territory 300 remain in Everglades
Second Sumatran expedition (1838) Location: Aceh Sultanate	United States Netherlands	Chiefdom of Kuala Batee	Victory
Aroostook War (1838) Location: Maine & New Brunswick	United States	United Kingdom British North America	Compromise Webster–Ashburton Treaty Modern border of Maine and New Brunswick agreed upon British (Canadian) withdrawal from territory claimed by the United States
Mexican–American War (1846–1848) Location: Texas, New Mexico, California, and Mexico 2nd Dragoons charge the enemy at the Battle of Resaca de la Palma, 1846.	United States California Republic	Mexico	Victory Treaty of Guadalupe Hidalgo Mexican Cession Mexican recognition of Texas and California (among other territories) as independent; end of conflict between Mexico and Texas
Cayuse War (1847–1855) Location: Oregon	United States	Cayuse	Victory
Apache Wars (1851–1900) Location: Southwestern United States US Cavalry dash for cover while fighting Apaches, by F. Remington	United States	Apache Ute Yavapai	Victory Apaches moved to reservations
Puget Sound War (1855–1856) Location: Washington	United States Snoqualmie	Nisqually Muckleshoot Puyallup Klickitat Haida Tlingit	Victory Indians relocated to Siletz, Grand Ronde, and Coast Reservations
First Fiji Expedition (1855) Location: Fiji	United States	Fiji	Victory
Rogue River Wars (1855–1856) Location: Rogue Valley	United States	Rogue River people	Victory Indians relocated to Siletz, Grand Ronde, and Coast Reservations
Third Seminole War (1855–1858) Location: Pensacola, Florida	United States	Seminole	Victory
Yakima War (1855–1858) Location: Washington Territory Seattleites evacuate to the town blockhouse as USS Decatur opens fire on advancing tribal forces.	United States Snoqualmie	Yakama Walla Walla tribe Umatilla tribe Nez Perce tribe Cayuse tribe	Victory Peace treaty
Second Opium War (1856–1859) Location: China Palikao's bridge, on the evening of the battle, by Émile Bayard	British Empire French Empire United States	Qing dynasty	Victory Treaties of Tientsin Southern Kowloon ceded to the United Kingdom
Utah War (1857–1858) Location: Utah Territory and Wyoming	United States	Deseret / Utah Mormons (Nauvoo Legion)	Compromise Resolution through negotiation Brigham Young replaced as governor of the territory Full amnesty for charges of sedition and treason issued to the citizens of Utah Territory by President James Buchanan on the condition that they accept American Federal authority
Navajo Wars (1858–1866) Location: New Mexico Fort Defiance	United States	Navajo	Victory Long Walk of the Navajo Navajos moved to reservations
Second Fiji Expedition (1859) Location: Fiji	United States	Fiji	Victory
John Brown's raid on Harpers Ferry (1859) Location: West Virginia Harper's Weekly illustration of U.S. Marines attacking John Brown's "Fort" Teresa Baine	United States	Abolitionist Insurgents	Victory
First and Second Cortina War (1859–1861) Location: Texas and Mexico	United States Confederate States	Mexico	Victory
Paiute War (1860) Location: Pyramid Lake, Nevada	United States	Paiute Shoshone Bannock	Victory
American Civil War (1861–1865) Location: United States The Battle of Antietam, by Kurz & Allison.	United States	Confederate States	Victory Territorial integrity preserved Dissolution of the Confederacy Slavery abolished Lincoln assassinated Beginning of the Reconstruction Era
Yavapai Wars (1861–1875) Location: Arizona	United States	Yavapai Apache Yuma Mohave	Victory
Dakota War of 1862 (1862) Location: Minnesota and Dakota The Siege of New Ulm, Minnesota on August 19, 1862	United States	Dakota Sioux	Victory
Colorado War (1863–1865) Location: Colorado, Wyoming, and Nebraska	United States	Cheyenne Arapaho Sioux	Victory Military and congressional hearings against John Chivington
Shimonoseki War (1863–1864) Location: Kanmon Straits Capture of a Choshu battery at Shimonoseki by British sailors and marines.	British Empire Dutch Empire French Empire United States	Chōshū Domain	Victory Chōshū pays an indemnity of $3,000,000.
Snake War (1864–1868) Locations: Oregon, Nevada, California, and Idaho	United States	Paiute Bannock Shoshone	Victory
Powder River War (1865) Location: Powder River State	United States	Sioux Cheyenne Arapaho	Stalemate
Red Cloud's War (1866–1868) Location: Powder River State The Fetterman Massacre	United States	Lakota Cheyenne Arapaho	Defeat Treaty of Fort Laramie (1868) Legal control of Powder River Country ceded to Native Americans Creation of the Great Sioux Reservation (including the Black Hills)
Formosa Expedition (1867) Location: Southern Formosa US Marines and Sailors attack Formosan pirates.	United States	Paiwan	Defeat American withdrawal after Marine commander killed No other casualties
Comanche Campaign (1867–1875) Location: Western United States Battle of Beecher Island. One soldier and three horses have fallen, while others continue to wage the battle.	United States	Cheyenne Arapaho Comanche Kiowa	Victory
United States expedition to Korea (1871) Location: Ganghwado American forces after capturing the Deokjin Fort during the Battle of Ganghwa in 1871.	United States	Joseon Dynasty	Victory United States-Korea Treaty of 1882
Modoc War (1872–1873) Location: California and Oregon Engraving of soldiers recovering the bodies of the slain May 3, 1873.	United States	Modoc	Victory
Red River War (1874–1875) Location: Texas	United States	Cheyenne Arapaho Comanche Kiowa	Victory End to the Texas-Indian Wars
Las Cuevas War (1875) Location: Texas and Mexico Texan soldiers.	United States	Mexico	Victory Cattle returned to Texas
Great Sioux War of 1876 (1876–1877) Location: Montana, Dakota and Wyoming Custer's last stand at Little Bighorn.	United States	Lakota Dakota Sioux Northern Cheyenne Arapaho	Victory Legal control of Powder River Country ceded to the United States
Buffalo Hunters' War (1876–1877) Location: Texas and Oklahoma	United States	Comanche Apache	Victory
Nez Perce War (1877) Location: Oregon, Idaho, Wyoming, and Montana Chief Joseph's band in the Battle of Bear Paw Mountain	United States	Nez Perce Palouse	Victory
Bannock War (1878) Location: Idaho, Oregon, and Wyoming	United States	Bannock Shoshone Paiute	Victory
Cheyenne War (1878–1879) Location: Oklahoma, Kansas, Nebraska, South Dakota and Montana Aftermath of the Battle of "The Pit."	United States	Cheyenne	Victory
Sheepeater Indian War (1879) Location: Idaho	United States	Shoshone	Victory
Victorio's War (1879–1881) Location: Mexico	United States Mexico	Apache	Victory
White River War (1879–1880) Location: Colorado	United States	Ute	Victory
Pine Ridge Campaign (1890–1891) Location: South Dakota Mass grave for the dead Lakota after the conflict at Wounded Knee Creek.	United States	Sioux	Victory
Garza Revolution (1891–1893) Location: Texas and Mexico 3rd Cavalry Troopers searching a suspected Revolutionist, 1892	Mexico United States	Garzistas	Victory
Rio de Janeiro Affair (1894) Location: Guanabara Bay, Rio de Janeiro, Brazil Cruiser Detroit in the Guanabara Bay during the revolt	Brazil United States	Brazilian mutineers	Victory End of rebel blockade Rio de Janeiro reopened to American commerce
Yaqui Wars (1896–1918) Location: Arizona and Mexico 10th Cavalry soldiers holding Yaqui prisoners at their camp in Bear Valley, January 9, 1918.	United States Mexico	Yaqui Pima Opata	Victory
Second Samoan Civil War (1898–1899) Location: Samoa Samoan warriors and American servicemen during the Siege of Apia in March 1899.	Samoa United States	Mataafans Germany	Compromise Allies and Rebels compromise for peace Tripartite Convention United States acquires American Samoa United Kingdom withdraws claim in exchange for concessions in the Solomon Islands Germany acquires German Samoa Mata'afa Iosefo becomes paramount chief of Samoa
Spanish–American War (1898) Location: Cuba, Puerto Rico, Philippines and Guam Teddy Roosevelt and the "Rough Riders" charge Spanish positions during the Battle of San Juan Hill.	United States Cuban Revolutionaries Filipino Revolutionaries	Spain Cuba Guam Philippines Puerto Rico	Victory Treaty of Paris Protectorate over Cuba Collapse of the Spanish Empire Generation of '98 among Spanish intellectuals
Philippine–American War (1899–1902) Location: Philippines Kurz & Allison print of the Battle of Quingua.	1899-1902 United States Military Government 1902-1906 United States Civil Government	1899-1902 Philippine Republic Negros Republic Zamboanga Republic Limited Foreign Support: Empire of Japan Shishi 1902-1906 Tagalog Republic Irrenconcilables	Victory Occupation of the Philippines Establishment of the Insular Government of the Philippine Islands General Emilio Aguinaldo captured and exiled Dissolution of the First Philippine Republic
Moro Rebellion (1899–1913) Philippines The 8th Infantry Regiment defeat the Moros in the four-day battle of Bagsak Mountain on Jolo Island in the Philippines.	United States	Moro Remnants of the Sulu Sultanate	Victory
Boxer Rebellion (1899–1901) Location: China Corporal Titus, of the 14th Infantry Regiment, scaling the walls of Peking.	United Kingdom Russia Japan France United States Germany Italy Austria-Hungary	Righteous Harmony Society (Boxers) China	Victory Rebellion suppressed Signing of the Boxer Protocol Provisions for foreign troops to be stationed in Beijing

20th century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and/or its Allies
Crazy Snake Rebellion (1909) Location: Oklahoma Creek prisoners of war.	United States	Creek	Victory
Border War (1910–1919) Part of the Mexican Revolution Location: Mexico–United States border American troops of the 16th Infantry Regiment rest for the night on 27 May 1916	United States	Mexico Germany	Victory Seditionist insurgency suppressed Permanent border wall established Pancho Villa's troops no longer an effective fighting force
Negro Rebellion (1912) Part of the Banana Wars Location: Cuba USS Mississippi in Cuba	Cuba United States	Cuban PIC	Victory Rebellion suppressed Dissolution of the PIC
Occupation of Nicaragua (1912–1933) Part of the Banana Wars Location: Nicaragua US Marines holding a captured Sandinista flag.	United States Nicaragua	Nicaraguan Liberals Sandinistas	Victory Nicaragua occupied until 1933. Great Depression marked US withdrawal in 1933. Change of regime in Nicaragua.
Bluff War (1914–1915) Location: Utah and Colorado Prisoners of the Bluff War in Thompson, Utah, waiting to board a train for their trial in Salt Lake City.	United States	Ute Paiute	Victory
Occupation of Veracruz (1914) Part of the Mexican Revolution Location: Mexico American ships at Veracruz	United States	Mexico	Victory Veracruz occupied
Occupation of Haiti (1915–1934) Part of the Banana Wars Location: Haiti 2nd Marine Regiment in Haiti	United States Haiti	Haitian Rebels	Victory Haiti occupied
Sugar Intervention (1916–1918) Part of the Banana Wars Location: Cuba	Cuba United States	Liberal Party of Cuba	Victory Uprising quelled.
Occupation of the Dominican Republic (1916–1924) Part of the Banana Wars Location: Dominican Republic US Marines in the Occupation of the Dominican Republic.	United States	Dominican Republic	Victory Dominican Republic occupied
World War I (1914–1918) Location: Europe, Africa, Asia, Middle East, the Pacific Islands, and coast of North and South America Two US troops pass by dead German soldiers on a battlefield.	France British Empire United Kingdom Canada Newfoundland Australia New Zealand India South Africa Russia United States China Italy Japan Serbia Montenegro Romania Belgium Greece Portugal Brazil	Germany Austria-Hungary Ottoman Empire Bulgaria	Victory End of the German, Russian, Ottoman, and Austro-Hungarian empires Formation of new countries in Europe and the Middle East Transfer of German colonies and regions of the former Ottoman Empire to other powers Establishment of the League of Nations
Russian Civil War (1918–1920) Location: Russia, Mongolia, and Iran US troops march through Russia before the Battle of Romanovka.	White Movement British Empire United Kingdom Canada Australia India Japan Czechoslovakia Greece Poland United States France Romania Serbia Italy China	Russian SFSR Far Eastern Republic Latvian SSR Ukrainian SSR Commune of Estonia Mongolian Communists	Defeat Allied withdrawal from Russia Bolshevik victory over White Army
Posey War (1923) Location: Utah Ute and Paiute prisoners of war.	United States	Ute Paiute	Victory
World War II (1939–1945) Location: Europe, Pacific Ocean, Atlantic Ocean, Southeast Asia, Middle East, Mediterranean, North Africa, North and South America U.S. Army Soldiers advancing at dawn in the cover of a M4 Sherman tank, during the Battle of Bougainville, 1944.	Soviet Union United States United Kingdom China France Poland Canada Australia New Zealand India South Africa Yugoslavia Greece Denmark Norway Netherlands Belgium Luxembourg Czechoslovakia Brazil Mexico Ethiopia Mongolia Philippines Viet Minh KLA Albania	Germany Japan Italy Hungary Romania Bulgaria Finland Thailand Manchukuo Mengjiang Croatia Slovakia	Victory Collapse of the Third Reich Fall of Japanese and Italian Empires Creation of the United Nations Emergence of the United States and the Soviet Union as superpowers Beginning of the Cold War
Korean War (1950–1953) Part of the Cold War Location: Korea American soldiers in the Korean war with the Browning M1919A6 LMG.	South Korea United States United Kingdom Australia Belgium Canada France Philippines Colombia Ethiopia Greece Luxembourg Netherlands New Zealand South Africa Thailand Turkey	North Korea China Soviet Union	Stalemate North Korean invasions of South Korea repelled Subsequent United Nations invasion of North Korea repelled Subsequent Chinese-North Korean-Soviet invasion of South Korea repelled Korean Armistice Agreement. Although this ended the actual fighting in the Korean Peninsula, the war is not (technically) over because a peace treaty was never signed
Lebanon Crisis (1958) Location: Lebanon US Marine sits in a foxhole and points his machine gun toward Beirut.	Lebanon United States	Lebanese Opposition: INM LCP PSP	Victory US-Lebanese occupation of the port and international airport of Beirut Withdrawal of US forces
Bay of Pigs Invasion (1961) Part of the Cold War Location: Cuba	CDRF United States	Cuba	Defeat Invasion of Cuba suppressed
Simba Rebellion (1964) Part of the Cold War Location: Democratic Republic of the Congo	Congo-Léopoldville Belgium United States	Simba Rebels Cuba Tanganyika Soviet Union China	Victory Rebellion defeated
Dominican Civil War (1965–1966) Location: Dominican Republic US soldiers arrive in the Dominican Republic.	Dominican Loyalists United States Brazil Honduras Paraguay Nicaragua Costa Rica El Salvador	Dominican Constitutionalists	Victory Juan Bosch excluded from Presidency Election of Joaquín Balaguer
Vietnam War (1965–1973, 1975) Part of the Cold War and Indochina Wars Location: Vietnam, Cambodia, and Laos 1st Cavalry Division, Battle of Ia Drang, 1965.	South Vietnam United States South Korea Australia New Zealand Thailand Philippines Khmer Republic Kingdom of Laos	North Vietnam Viet Cong Khmer Rouge Pathet Lao North Korea China Soviet Union	Defeat Withdrawal of American forces from Indochina North Vietnamese victory over South Vietnam Dissolution of the Republic of Vietnam Communist governments take power in South Vietnam, Laos and Cambodia South Vietnam is annexed by North Vietnam
Communist insurgency in Thailand (1965–1983) Location: Thailand	Thailand Taiwan (until 1967) United States Malaysia	Communist Party of Thailand weapons and advisors: North Vietnam (until 1976) Vietnam (from 1976) Soviet Union People Republic of China (1971–1978) Pathet Lao Malayan Communist Party Khmer Rouge (until 1978) North Korea	Victory Defeat of communist insurgents
Shaba II (1978) Location: Zaire (present-day Democratic Republic of the Congo)	Zaire France Belgium United States	Front for the National Liberation of the Congo	Victory
Multinational Force in Lebanon (1982–1984) Part of the Lebanese Civil War Location: Lebanon US Marine barracks bombing	Italy United States France United Kingdom	Islamic Jihad Organization Iran Syria Progressive Socialist Party Amal Movement	Defeat Multinational forces fail to prevent collapse of Lebanese Army into sectarian militias. Multinational forces evacuated after the US embassy and US Marine barracks are bombed by the Islamic Jihad Organization. Multinational forces oversee withdrawal of Palestine Liberation Organization. Civil war continues until 1990. Syrian occupation continues until 2005.
Invasion of Grenada (1983) Part of the Cold War Location: Grenada American soldiers in mortar positions in Grenada.	United States Barbados Jamaica Antigua and Barbuda Dominica Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines	PRG of Grenada Cuba Military advisors: List Soviet Union North Korea East Germany Libya	Victory Military dictatorship of Hudson Austin deposed Defeat of Cuban military presence Restoration of Constitutional Government
Bombing of Libya (1986) Part of the Cold War Location: Libya USAF F-111 taking off for Libya	United States United Kingdom	Libya	Victory Ground targets destroyed. Failed Libyan Scud missile response Muammar Gaddafi survived
Tanker War (1987–1988) Location: Persian Gulf Iranian frigate Sahand after being attacked by U.S. aircraft.	United States	Iran	Victory Successful operations against Iran during the Iran–Iraq War
Invasion of Panama (1989–1990) Location: Panama U.S. troops prepare to take a neighborhood in Panama City, December 1989.	United States Panamanian Opposition	Panama	Victory Dictator Manuel Noriega deposed
Gulf War (1990–1991) Location: Iraq, Kuwait, Saudi Arabia, and Israel M1 Abrams tanks of the 3rd Armored Division advance on Medina Ridge.	Kuwait United States United Kingdom Saudi Arabia France Canada Egypt Syria Qatar Bahrain United Arab Emirates Oman Bangladesh	Iraq	Victory Iraqi withdrawal from Kuwait; Emir Jaber III restored Sanctions against Iraq
Intervention in the Somali Civil War (1992–1995) Location: Somalia US Marines on patrol in Somalia.	United States United Kingdom Spain Saudi Arabia Malaysia Pakistan Italy India Greece Germany France Canada Botswana Belgium Australia New Zealand	Somali National Alliance	Defeat Failure to capture SNA leader Mohamed Farrah Aidid. Withdrawal of US forces following losses in Battle of Mogadishu. The UN mandate saved close to 100,000 lives, before and after US withdrawal. Civil war is ongoing.
Intervention in Haiti (1994–1995) Location: Haiti US troops arrive in Haiti.	United States Poland Argentina	Haiti	Victory Reinstatement of Jean-Bertrand Aristide as president of Haiti
Bosnian War (1994–1995) Part of the Yugoslav Wars Location: Bosnia and Herzegovina Russian and American troops on a joint patrol around the Bosnian town of Zvornik on the afternoon of 29 February 1996.	Bosnia and Herzegovina Herzeg-Bosnia Croatia United States Belgium Canada Denmark France Germany Italy Luxembourg Netherlands Norway Portugal Spain Turkey United Kingdom	Republika Srpska YPA Serbian Krajina Western Bosnia FR Yugoslavia	Victory Dayton Accords Internal partition of Bosnia and Herzegovina Over 101,000 dead, mainly Bosniaks Deployment of NATO-led IFOR to uphold the peace agreement High Representative for Bosnia and Herzegovina established to implement the peace agreement.
Kosovo War (1998–1999) Part of the Yugoslav Wars Location: Serbia Bombing of Novi Sad.	KLA AFRK Albania Croatia United States Belgium Canada Czech Republic Denmark France Germany Hungary Italy Luxembourg Netherlands Norway Portugal Poland Spain Turkey United Kingdom	FR Yugoslavia	Victory Yugoslav forces pull out of Kosovo De facto separation of Kosovo from FR Yugoslavia under UN administration Return of Albanian refugees KLA veterans join the UÇPMB, starting the Preševo insurgency Bulldozer Revolution in 2000

21st century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and/or its Allies
War in Afghanistan (2001–2014) Part of the War on Terror Location: Afghanistan 101st Airborne Division firefight in Kunar Province	United States Afghanistan United Kingdom Germany Denmark Italy France Canada Australia New Zealand Armenia Georgia Azerbaijan South Korea Norway Sweden Poland Estonia Romania Turkey Bulgaria Hungary Luxembourg Portugal Jordan Albania Iceland ISAF Northern Alliance Supported by: India	Taliban Islamic Jihad Union Haqqani network Allied groups HIG al-Qaeda IJU IMU Taliban splinter groups Fidai Mahaz 2001 invasion: Islamic Emirate of Afghanistan Taliban al-Qaeda 055 Brigade	Victory American-led coalition invasion and occupation of Afghanistan Destruction of al-Qaeda training camps Fall of the Taliban government Establishment of the Islamic Republic of Afghanistan under the Karzai administration Start of Taliban insurgency Death of Osama bin Laden Escape of Ayman al-Zawahiri Commencement of war's 2015–present phase
Iraq War (2003–2011) Part of the Iraqi Insurgency and War on Terror Location: Iraq M1A1 Abrams main battle tanks in Baghdad during the Occupation of Iraq	United States Iraq United Kingdom South Korea Italy Poland Australia New Zealand Denmark Georgia Azerbaijan Ukraine Estonia Netherlands Portugal Spain MNF–I	Baath Loyalists Islamic State of Iraq al-Qaeda in Iraq Mahdi Army Special Groups IAI Ansar al-Sunnah Ba'athist Iraq	Victory Invasion and occupation of Iraq Overthrow of Ba'ath Party government and execution of Saddam Hussein Iraqi insurgency, emergence of al-Qaeda in Iraq, and Sectarian Violence and another civil war Subsequent reduction in violence and depletion of al-Qaeda in Iraq Establishment of democratic elections and formation of new democratic government Withdrawal of U.S. forces from Iraq in 2011 Stronger Iranian influence in Iraq Escalation of sectarian insurgency after U.S. withdrawal leading to the rise of the Islamic State of Iraq and the Levant, the successor of al-Qaeda in Iraq Iraqi Civil War (2014-present) Return of US forces to Iraq in 2014
War in North-West Pakistan (2004–present) Part of the War on Terror Location: Pakistan Airstrike on insurgent forces in Pakistan.	Pakistan United States United Kingdom	Tehrik-i-Taliban Pakistan al-Qaeda Lashkar-e-Jhangvi Lashkar-e-Islam Islamic Movement of Uzbekistan East Turkestan Islamic Movement Tehreek-e-Shariat Alleged Supported by: Pakistan Islamic State of Iraq and the Levant	Ongoing Drone strikes being conducted by the United States Jundallah, Tehreek-e-Khilafat, and the Islamic Movement of Uzbekistan join ISIL
Libyan Civil War (2011) Part of the Libyan Crisis Location: Libya US vessels launch missiles in support of the Libyan Civil War.	States enforcing UNSC Resolution 1973: United States United Kingdom Belgium Bulgaria Canada Denmark France Greece Italy Netherlands Norway Romania Spain Turkey Sweden Jordan Qatar United Arab Emirates	Libya	Victory Overthrow of Gaddafi government and Death of Muammar Gaddafi Assumption of interim control by National Transitional Council (NTC) Diplomatic recognition of NTC as sole governing authority for Libya by 105 countries, UN, EU, AL and AU Post-civil war violence in Libya, leading to another civil war in 2014
War on ISIL (Operation Inherent Resolve) (2014–present) Part of the Iraqi Civil War, Syrian Civil War, Second Libyan Civil War, Boko Haram insurgency, and the War on Terror Location: Iraq, Syria, Libya and Nigeria US airstrikes on ISIL positions in Syria.	United States United Kingdom Australia Belgium Canada Denmark France Germany Italy Netherlands New Zealand Norway Portugal Spain Sweden Turkey Bahrain Jordan Morocco Qatar Saudi Arabia United Arab Emirates Iraq Syrian Opposition Egypt Libya Nigeria Cameroon Chad Niger Burundi Kurdistan	Islamic State of Iraq and the Levant Boko Haram Jabhat Fatah al-Sham Khorasan Tahrir al-Sham Syria Iran Hezbollah Russia	Ongoing Airstrikes on ISIL and al-Qaeda positions in Iraq, Syria, Libya, Nigeria and Afghanistan Multinational humanitarian efforts Arming and support for local ground forces Hundreds of thousands of civilians in Iraq and Syria flee their homes sparking a refugee crisis Thousands of civilians are executed by ISIL forces ISIL loses up to 30% of its territory in Iraq ISIL controls around 50% of Syria by late May 2015 Emergence of independently-governed Kurdish regions Tomahawk missile strikes against Assad controlled air fields in Syria
War in Afghanistan (2015–present) ISAF troops changing mission and beginning the RSM.	Islamic Republic of Afghanistan Afghan National Security Forces Allied militias Jamiat-e Islami Junbish-i-Milli Hezbe Wahdat Coalition: Resolute Support Mission (2015–present) Australia Croatia Czech Republic Georgia (IPAP) Germany Italy Romania Spain Turkey United Kingdom United States	Taliban Haqqani network Islamic Jihad Union Alleged supported by: Pakistan (alleged) ISI (alleged) Iran (disputed) Russia (denied) Allied groups Hezb-e-Islami Gulbuddin al-Qaeda Islamic Jihad Union Taliban splinter groups Dadullah Front Fidai Mahaz Islamic State of Iraq and the Levant Wilayat Khorasan	Ongoing Security and control of Afghanistan taken over by Afghan security forces NATO implements a support mission Continued counter-terror operations being conducted by NATO forces ISIL establishes presence in Afghanistan and begins to recruit fighters Failed 2015 Taliban resurgence attempt in Kunduz, northern Afghanistan U.S. halts withdrawal and prolongs presence in Afghanistan On April 13, 2017, the U.S. drops GBU-43/B MOAB on an ISIS-K controlled tunnel system, resulting in the deaths of 94 ISIS-K militants, including 4 commanders
Yemeni Civil War (2015–present) Yemeni capital Sanaa after airstrikes, 9 October 2015.	Hadi government Pro-Hadi Security forces Popular Committees Allied groups: Al-Islah Popular Resistance Southern Movement Saudi-led coalition Saudi Arabia United Arab Emirates Bahrain Kuwait Jordan Morocco Egypt Qatar (until 2017) Senegal Sudan United States (includes drone strikes) US Navy Special Operations Command	Supreme Political Council Houthis Pro-Saleh Security Forces Republican Guard Alleged support: Iran Hezbollah	Ongoing On January 29, the Yakla raid occurred. U.S. Navy SEALs executed a raid, approved over dinner by U.S. President Donald Trump; the raid caused several civilian casualties, with "a chain of mishaps and misjudgments" leading to a 50-minute shootout that led to the killing of one SEAL, the wounding of three other SEALs, and the deliberate destruction (scuttling) of a $75 million U.S. MV-22 Osprey aircraft that had been badly damaged on landing. The U.S. government reported that 14 Al-Qaeda in the Arabian Peninsula fighters were killed and acknowledged that "civilian noncombatants likely were killed" as well. Human Rights Watch, citing witness statements, reported the death of 14 civilians, including nine children. From March 1 through March 8, 2017, the US conducted 45 airstrikes against AQAP, a record amount of airstrikes conducted against the group by the US in recent history. The airstrikes were reported to have killed hundreds of AQAP militants. On 25 March 2017 a court in the Houthi-controlled Sana'a sentenced Hadi and six other government officials to death in absentia for "high treason" in the form of "incitement and assistance" to Saudi Arabia and its allies". The sentence was announced by the Houthi-controlled Saba News Agency.

See also

• List of ongoing armed conflicts
• Timeline of United States military operations
• Timeline of United States at war

External links

• Heidelberg Institute for International Conflict Research (HIIK)
  • Conflict Barometer – Describes recent trends in conflict development, escalations, and settlements
• A Continent Divided: The U.S.-Mexico War, Center for Greater Southwestern Studies, the University of Texas at Arlington
• Timeline of wars involving the United States, Histropedia
• U.S. Periods of War and Dates of Recent Conflicts, Congressional Research Service