War timeline By 160063mchs Apr 19, 1775 American Revolutionary War Jun 18, 1812 War of 1812 Apr 25, 1846 Mexican-American War Apr 12, 1861 civil war Apr 25, 1898 Spanish-American War Jul 14, 1914 world war 1 Sep 1, 1939 world war 2 Jun 25, 1950 Korean war Nov 1, 1955 vietnam war Aug 2, 1990 Persian Gulf War Oct 7, 2001 War of Afghanistan