Template:USWars
| Start | End | Name | Against | Notes |
|---|---|---|---|---|
| 1812 | 1815 | War of 1812 | Britain | |
| 1838 | 1842 | Aroostook War | Canada | |
| 1846 | 1848 | Mexican War | Mexico | |
| 1861 | 1865 | U.S. Civil War | Confederates | |
| 1898 | 1898 | Spanish American War | Spain | |
| 1899 | 1902 | Philippine War | Philippines | |
| 1916 | 1917 | Mexican Expedition | Mexico | |
| 1917 | 1918 | World War I | Germany & Allies | |
| 1941 | 1945 | World War II | Germany, Japan & Allies | |
| 1950 | 1953 | Korean War | North Korea, China | |
| 1959 | 1975 | Vietnam War | North Vietnam | |
| 1947 | 1991 | Cold War | USSR |