Wars involving the United States
United States Exploring Expedition 1838 - 1842
Hualapai War (1865–70) 1865 - 1870
Reform War 1857 - 1861
Moro Rebellion 1899 - 1913
Cayuse War 1847 - 1855
Barbary Wars 1801 - 1815
Second Opium War 8 Oct 1856 - 24 Oct 1860
Creek War 1813 - Aug 1814
Siberian Intervention Aug 1918 - Jul 1920
Sheepeater Indian War 1879
Laotian Civil War 9 Nov 1953 - 2 Dec 1975
Las Cuevas War 20 Nov 1875 - 21 Nov 1875
NATO bombing of Yugoslavia 24 Mar 1999 - 10 Jun 1999
Yavapai Wars 1861 - 1875
Mexican–American War 24 Apr 1846 - 2 Feb 1848
Whiskey Rebellion 1791 - 1794
Boxer Rebellion Aug 1899 - Sep 1901
Greek Civil War 30 Mar 1946 - 16 Oct 1949
Cold War 1946 - 1990
Invasion of Grenada 25 Oct 1983 - 15 Dec 1983
World War I 28 Jul 1914 - 11 Nov 1918
Dakota War of 1862 17 Aug 1862 - 26 Dec 1862
Bombardment of Greytown 13 Jul 1854
Yuma War 1850 - 1853
Korean War 25 Jun 1950 - 27 Jul 1953
Angolan Civil War 11 Nov 1975 - 4 Apr 2002
Winnebago War 1827
United States occupation of Nicaragua 1912 - 1933
Bosnian War 6 Apr 1992 - 14 Dec 1995
Posey War 20 Mar 1923 - 23 Mar 1923
Second Samoan Civil War 1898 - 1899
Colorado War 1864 - 1865
Renegade period of the Apache Wars 1879 - 1924
Kosovo War 28 Feb 1998 - 11 Jun 1999
Civil war in Afghanistan (1989–92) 1989 - 27 Apr 1992
Iraq War 20 Mar 2003 - 15 Dec 2011
Gulf War 2 Aug 1990 - 28 Feb 1991
Bay of Pigs Invasion 17 Apr 1961 - 19 Apr 1961
Colorado Coalfield War (1913–14) 1913 - 1914
Snake War 1864 - 1868
Indonesia–Malaysia confrontation 20 Jan 1962 - 11 Aug 1966
Modoc War 6 Jul 1872 - 4 Jun 1873
Second Sumatran expedition Dec 1838 - Jan 1839
Cortina Troubles 1859 - 1861
Second Barbary War 17 Jun 1815 - 19 Jun 1815
Bannock War 1878
Cheyenne War Sep 1878 - Apr 1879
White River War 1879
Ute Wars 1849 - 1923
Aegean Sea Anti-Piracy Operations of the United States 1825 - 1828
American-led intervention in Syria 22 Sep 2014 - Present
Second Seminole War 23 Dec 1835 - 14 Aug 1842
Border War (1910–19) 1910 - 1919
War in North-West Pakistan 16 Mar 2004 - Present
Philippine–American War 2 Jun 1899 - 4 Jul 1902
Wounded Knee Massacre 29 Dec 1890
Iraqi Kurdish Civil War May 1994 - 24 Nov 1997
Russian Civil War 7 Nov 1917 - 25 Oct 1922
World War II 1 Sep 1939 - 2 Sep 1945
Somali Civil War 23 May 1986 - Present
Bandit War 1910 - 1918
2011 military intervention in Libya 19 Mar 2011 - 31 Oct 2011
Samoan Civil War 1886 - 1894
Vietnam War 1955 - 1975
Crazy Snake Rebellion Mar 1909
Spanish–American War 25 Apr 1898 - 12 Aug 1898
Great Sioux War of 1876 1876 - 1877
Iraqi no-fly zones 1991 - 2003
Operation Uphold Democracy 19 Sep 1994 - 31 Mar 1995
First Sumatran expedition 6 Feb 1832 - 9 Feb 1832
1958 Lebanon crisis 15 Jul 1958 - 25 Oct 1958
Black Hawk War May 1832 - Aug 1832
First Barbary War 1801 - 1805
Puget Sound War 1855 - 1856
Crow War 1887
American occupation of the Dominican Republic (1916–24) 5 May 1916 - 1924
American Revolutionary War 19 Apr 1775 - 3 Sep 1783
War on Terror 7 Oct 2001 - Present
War of 1812 18 Jun 1812 - 18 Feb 1815
Ned Christie's War 1887 - 1892
Apache Wars 1849 - 1924
Jicarilla War 1849 - 1855
Victorio's War Sep 1879 - Aug 1881
Powder River Expedition (1865) 1 Jul 1865 - 4 Oct 1865
Kurdistan Islamist Conflict Sep 2001 - Mar 2003
Seminole Wars 1816 - 1858
Mohave War 1858 - 1859
Yaqui Uprising 1896
Bluff War Mar 1914 - 11 Mar 1915
San Elizario Salt War 1877 - 1878
Utah War Mar 1857 - Jul 1858
Paiute War May 1860
Bombardment of Qui Nhơn 31 Jul 1861
Quasi-War 1798 - 1800
Garza Revolution 15 Sep 1891 - Mar 1893
Owens Valley Indian War 1862 - 1867
Texas–Indian wars 1820 - 1875
Joint warfare in South Vietnam, 1963–69 1963 - 1969
Nez Perce War Jun 1877 - Oct 1877
Dominican Civil War 24 Apr 1965 - 3 Sep 1965
Lord's Resistance Army insurgency 1987 - Present
United States invasion of Panama 20 Dec 1989 - 31 Jan 1990
American occupation of the Dominican Republic (1965–66) 28 Apr 1965 - 1 Jul 1966
American Civil War 12 Apr 1861 - 10 May 1865
Revolta da Armada 1893 - 1894
2014 military intervention against the Islamic State of Iraq and the Levant 13 Jun 2014 - Present
Filibuster War 1856 - 1857
War of the Second Coalition 1798 - 1802
Yakima War 1855 - 1858
Eritrean War of Independence 1 Sep 1961 - 29 May 1991
American occupation of Haiti 28 Jul 1915 - 1 Aug 1934
Shimonoseki Campaign 20 Jul 1863 - 14 Aug 1863
Northwest Indian War 1785 - 1795
Buffalo Hunters' War 1876 - 1877
Taiping Rebellion 1850 - 1864
Bald Hills War 1858 - 1864
United States expedition to Korea 1 Jun 1871 - 3 Jun 1871
Multinational Force in Lebanon 1982 - 1984
Chickamauga Wars 1776 - 1795
Tecumseh's War 1811 - 1813
Comanche Campaign 1867 - 1875
Red River War 1874 - 1875
War in Afghanistan (2001–2021) 7 Oct 2001 - 30 Aug 2021