List of conflicts in the United States - wikipedia List of conflicts in the United States For a list of wars before the creation of the United States, see List of conflicts in British America. 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Contents 1 18th century 2 19th century 3 20th century 4 See also 18th century 1775 -- 1783 American Revolutionary War 1775 Battles of Lexington and Concord Siege of Boston Battle of Ticonderoga Battle of Bunker Hill 1776 Battle of Long Island Battle of Harlem Heights Battle of White Plains Battle of Trenton 1777 Battle of Princeton Battle of Oriskany Battle of Bennington Battle of Brandywine Creek Battle of Saratoga Capture of Philadelphia Battle of Germantown 1778 Battle of Monmouth Capture of Savannah 1779 Battle of Baton Rouge Battle of Vincennes 1780 Siege of Charleston Battle of Camden Battle of King 's Mountain 1781 Surrender of Lord Cornwallis at Yorktown Battle of Cowpens Battle of Guilford Court House Siege of Ninety Six Siege of Yorktown 1777 -- 1794 Cherokee -- American wars 1783 -- 1788 Second Pennamite War between settlers from Connecticut and Pennsylvania in Wyoming Valley of Pennsylvania 1785 -- 1795 Northwest Indian War 1786 -- 1787 Shays ' Rebellion 1791 -- 1794 Whiskey Rebellion 1798 -- 1800 Quasi-War, an undeclared naval war with France 19th century 1804 Battle of Sitka Russian forces defeat the Tlingit in the last major armed conflict between Europeans and Alaska Natives. 1811 Tecumseh 's War 1812 -- 1815 War of 1812 1812 Siege of Fort of Mackinac First Battle of Sackett 's Harbor Battle of Brownstown Battle of Maguaga Battle of Fort Dearborn Siege of Detroit Siege of Fort Harrison Siege of Fort Wayne Battle of the Mississinewa 1813 Battle of Frenchtown Raid on Elizabethtown Battle of Ogdensburg Siege of Fort Meigs Battle of Sackett 's Harbor Battle of Craney Island Battle of Fort Stephenson Battle of St. Michaels Battle of Lake Erie The Battle of Lake Erie ' Capture of Fort Niagara 1814 Raid on Fort Oswego Siege of Prairie du Chien Battle of Big Sandy Creek Battle of Mackinac Island Battle of Bladensburg Burning of Washington Raid on Alexandria Battle of Caulk 's Field Battle of North Point Battle of Lake Champlain Battle of Baltimore Battle of Pensacola ( 1812 ) 1815 Battle of New Orleans Battle of Fort Bowyer 1813 -- 1814 Creek War 1817 -- 1818 First Seminole War 1827 Winnebago War 1831 Nat Turner 's Rebellion 1832 Black Hawk War 1835 -- 1842 Second Seminole War 1835 -- 1836 Toledo War ( bloodless ) 1838 Missouri Mormon War 1838 -- 1839 Aroostook War 1839 Honey War ( bloodless ) 1841 -- 1842 Dorr War 1845 Milwaukee Bridge War 1846 -- 1848 Mexican -- American War 1846 Battle of Palo Alto 1846 Battle of Resaca de la Palma 1846 Occupation of Santa Fe 1846 Battle of Monterey 1846 Siege of Los Angeles 1846 Battle of San Pasqual 1846 Battle of Rio San Gabriel 1848 -- 1855 Cayuse War 1854 -- 1858 Bleeding Kansas 1855 -- 1858 Third Seminole War 1857 -- 1858 Utah War 1859 Pig War 1860 Pyramid Lake War 1861 -- 1865 American Civil War 1861 Battle of Fort Sumter Battle of Philippi Battle of Big Bethel First Battle of Bull Run Battle of Balls Bluff 1862 Battle of Roanoke Island Battle of Fort Donelson Battle of Pea Ridge Battle of Hampton Roads Battle of Shiloh Battle of Island Number 10 Battle of Fair Oaks Battle of Memphis Battle of Cross Keys Battle of Port Republic Seven Days ' Battles Battle of Baton Rouge Battle of Cedar Mountain Second Battle of Bull Run Battle of Antietam Battle of Fredericksburg Battle of Stones River 1863 The Battle of Gettysburg Battle of Chancellorsville Siege of Vicksburg Battle of Gettysburg Battle of Chickamauga Battle of Chattanooga Battle of Knoxville 1864 Battle of Olustee Battle of the Wilderness Battle of Spotsylvania Battle of North Anna Battle of Cold Harbor Siege of Petersburg Battle of the Crater Battle of Mobile Bay Siege of Atlanta Battle of Franklin II Battle of Nashville 1865 Battle of Natural Bridge Battle of Bentonville Battle of Five Forks Third Battle of Petersburg Battle of Appomattox Court House 1862 Dakota War of 1862 1863 -- 1865 Colorado War 1864 Sand Creek Massacre 1866 -- 1868 Red Cloud 's War 1867 -- 1875 Comanche War 1872 -- 1873 Modoc War 1876 -- 1877 Black Hills War 1877 Nez Percé War 1878 Lincoln County War 1882 Pleasant Valley War 1890 -- 1891 Ghost Dance War 1889 -- 1893 Johnson County War 1878 -- 1900 Colorado Range War 1891 -- 1893 Garza Revolution 1898 Spanish -- American War 1898 Battle of Manila Bay 1898 Battle of Yauco 1898 Battle of Guayama 1898 Battle of Coamo 1899 -- 1902 Philippine -- American War 1899 -- 1913 Moro Rebellion 20th century 1914 -- 1918 World War I 1914 A Japanese fleet captured the Mariana Islands from Germany without any loss of life. This is notable as the only land action fought during World War I that took place on what is now U.S. soil ( Guam and the Northern Mariana Islands ). 1917 The U.S. enters the war. 1918 German submarine SM U-156 attacks the port of Orleans, Massachusetts on July 21, sinking several small vessels, in an action which became known as the Bombardment of Orleans. 1915 Bandit War 1916 Mexican revolutionary Pancho Villa leads a night raid on the New Mexico border town of Columbus. 1941 -- 1945 World War II 1941 Japanese surprise attack on American naval base at Pearl Harbor, Hawaii. 1942 Bombardment of Fort Stevens, Oregon by Japanese submarine I - 25 1942 The Lookout Air Raids by a floatplane from Japanese submarine I - 25 ; incendiary bombs were dropped but did not start a forest fire in Oregon 1941 -- 1945 Mostly during a period known as the `` Second Happy Time '', numerous American warships and merchant vessels sunk in American territorial waters by German U-boats. 1942 -- 1943 World War II Battle of the Aleutian Islands in Alaska. 1944 -- 1945 Fire balloon bombing of the US by Japanese balloon bombs : six civilians killed, minor damage inflicted. See also American Theater ( World War II ) Second Happy Time Attacks on US mainland Indian massacre Indian Wars United States Armed Forces Book Portal MC AF CG MC AF CG PHS NOAA Navbox MC AF CG Leadership Commander - in - chief : President of the United States Secretary of Defense Deputy Secretary of Defense Secretary of Homeland Security Deputy Secretary of Homeland Security Joint Chiefs of Staff : Chairman Vice Chairman United States Congress : Committees on Armed Services : Senate House Active duty four - star officers Highest ranking officers in history National Security Act of 1947 Goldwater -- Nichols Act Organization Service departments Department of Defense ( Secretary ) : Army ( Secretary ) Navy ( Secretary ) Air Force ( Secretary ) Department of Homeland Security ( Secretary ) : Coast Guard Branches Army ( Chief of Staff ) Marine Corps ( Commandant ) Navy ( Chief of Naval Operations ) Air Force ( Chief of Staff ) Coast Guard ( Commandant ) Reserve components Reserves : A MC N AF CG National Guard : A AF Civilian auxiliaries Military Auxiliary Radio System Merchant Marine Civil Air Patrol Coast Guard Auxiliary Unified Combatant Command Northern Central European Pacific Southern Africa Special Operations Strategic Transportation Structure United States Code Title 10 Title 14 Title 32 Title 50 The Pentagon Installations Units : A MC N AF CG Logistics Media Unit mottoes Operations and history Current deployments Conflicts Wars Timeline History : A MC N AF CG Colonial World War II Civil affairs African Americans Asian Americans Buddhist Americans Jewish Americans Muslim Americans Pakistani Americans Sikh Americans Historiography : A : 1 / 2 MC N AF Art : A AF Personnel Training MEPS ASVAB Recruit training : A MC N AF CG Officer candidate school : A MC N AF Warrant : A MC Service academies : A ( prep ) N ( prep ) AF ( prep ) CG Merchant Marine ROTC A : ECP MC / N AF Medical Other education Uniforms Uniforms : A MC N AF CG Awards & decorations : Inter-service A MC / N AF CG PHS NOAA Foreign International Devices Badges : Identification A MC N AF CG Ranks Enlisted : A MC N AF CG Warrant officers Officer : A MC N AF CG PHS NOAA Other Oath : Enlistment Office Creeds & Codes : Code of Conduct NCO A MC N AF CG Service numbers : A MC N AF CG Military Occupational Specialty / Rating / Air Force Specialty Code Pay Uniform Code of Military Justice Judge Advocate General 's Corps Military Health System / TRICARE Separation Veterans Affairs Conscription Chiefs of Chaplains : A MC N AF CG Equipment MC : vehicles weapons other AF CG Land Individual weapons Crew - served weapons Vehicles ( active ) Sea All watercraft Ships : A N ( active ) AF CG MSC NOAA Weapons : N CG Aircraft : N CG NOAA Reactors Air Aircraft World War I active Aircraft designation Missiles Helicopter arms Other Nuclear football Electronics ( designations ) Flags : A MC N AF CG Ensign Jack Guidons Food WMDs : Nuclear Biological Chemical Legend A = Army MC = Marine Corps N = Navy AF = Air Force CG = Coast Guard PHS = Public Health Service NOAA = National Oceanic and Atmospheric Administration List of conflicts in North America Sovereign states Antigua and Barbuda Bahamas Barbados Belize Canada Costa Rica Cuba Dominica Dominican Republic El Salvador Grenada Guatemala Haiti Honduras Jamaica Mexico Nicaragua Panama Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Trinidad and Tobago United States Dependencies and other territories Anguilla Aruba Bermuda Bonaire British Virgin Islands Cayman Islands Curaçao Greenland Guadeloupe Martinique Montserrat Puerto Rico Saint Barthélemy Saint Martin Saint Pierre and Miquelon Saba Sint Eustatius Sint Maarten Turks and Caicos Islands United States Virgin Islands Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_conflicts_in_the_United_States&oldid=801614957 '' Categories : United States military - related lists United States history - related lists Lists of wars Talk Contents About Wikipedia Add links This page was last edited on 20 September 2017, at 19 : 26. 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Question: when was the last war fought on us soil
Answer: 1944–1945