List of wars involving the United States - wikipedia List of wars involving the United States See also : Timeline of United States military operations and Timeline of United States at war This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. ( February 2014 ) History of U.S. expansion and influence Foreign policy Military history Timeline of military operations List of wars List of bases Manifest destiny Non-interventionism Overseas interventions Pax Americana America 's Backyard Territorial acquisitions view talk This is a list of wars involving the United States of America since its founding during the American Revolution. Contents 1 18th century wars 2 19th century wars 3 20th century wars 4 21st century wars 5 See also 6 References 7 External links 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 Netherlands 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 Co-belligerent : Spain Indecisive 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 Webster -- Ashburton Treaty Modern border of Maine and New Brunswick agreed upon 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 ) Resolution 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 Bombardment of Qui Nhơn ( 1861 ) Location : Qui Nhơn, Vietnam United States Nguyễn Dynasty Victory 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 Indecisive 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 Indecisive Formosan retreat American withdrawal 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 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 ( 1917 -- 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 Withdrawal Allied withdrawal from Russia Bolshevik victory over White Army Victory for pro-independence movements in Finland, Estonia, Latvia, Lithuania, and Poland Posey War ( 1923 ) Location : Utah Ute and Paiute prisoners of war. United States Ute Paiute Victory World War II ( 1941 -- 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 humanitarian mandate saved close to 100,000 lives, during and after US participation. 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 according to the Dayton Accords Deployment of NATO - led IFOR to oversee the peace agreement Massive civilian casualties for the Bosniak ethnic group 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 Kumanovo Treaty Yugoslav security forces pull out of Kosovo KLA veterans join the UÇPMB, starting the Preševo insurgency ^ Direct U.S. involvement ended in 1973 with the Paris Peace Accords. Air Force and Special Ops continued some operations until April 1975 ; President Ford in a televised speech on April 23, 1975 declared the end of Vietnam War. ^ The war reignited on 13 December 1974 with offensive operations by North Vietnam, leading to victory over South Vietnam in under two months. 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 Inconclusive 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 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 Inconclusive 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. United States 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 See also List of ongoing armed conflicts Timeline of United States military operations Timeline of United States at war References ^ `` History : World War I ''. ^ `` Communist Insurgency In Thailand '' ( PDF ). 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Retrieved 23 June 2015. ^ `` How Pakistan Is Tightening Its Grip on the Taliban ''. The National Interest. 15 August 2015. Retrieved 22 August 2015. ^ `` Pakistani intelligence helping Taliban : NATO report ''. ABC. 2 February 2012. Retrieved 31 August 2015. ^ `` Afghanistan : Pakistan army denies backing Taliban ''. ABC. 27 October 2011. Retrieved 31 August 2015. ^ `` Iran Backs Taliban With Cash and Arms ''. The Wall Street Journal. 11 June 2015. Retrieved 13 June 2015. ^ `` Why the Taliban murdered their own leader and the terrifying fallout now threatening the West ''. The Mirror. 21 August 2015. Retrieved 22 August 2015. ^ `` Envoy Says Tehran Does n't Give Afghan Taliban Weapons or Funding ''. The Wall Street Journal. 18 June 2015. Retrieved 13 June 2015. ^ `` U.S. sources : Russia forging alliance with Taliban ''. Yahoo News. 12 February 2016. Retrieved 25 February 2016. ^ `` Russia and the Taliban Make Amends ''. Foreign Affairs. 31 January 2016. ^ `` Russia, Taliban share intelligence in fight against ISIS ''. CNN. 25 December 2015. ^ `` Taliban says no contacts with Russia over Islamic State ''. Reuters. 27 December 2015. Retrieved 25 February 2016. ^ `` Russian ambassador denies Moscow supporting Taliban ''. Reuters. 25 April 2016. ^ `` Officials confirm ISIL present in Afghanistan ''. Al Jazeera. ^ `` Taliban exit Afghan city of Kunduz but claims mission was success ''. ^ Matthew Rosenberg and Michael D. Shear. `` In Reversal, Obama Says U.S. Soldiers Will Stay in Afghanistan to 2017 ''. The New York Times. Retrieved October 16, 2015. 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Question: america has been at war for how many years
Answer: 2004–present)