American History Timeline By ehartker Jul 4, 1776 Declaration of Independence is Signed and Published. Period: Sep 19, 1777 to Oct 7, 1777 Battle of Saratoga Apr 30, 1803 Louisiana Purchase Period: Jan 24, 1848 to Jan 1, 1855 California Gold Rush Period: Apr 12, 1861 to May 9, 1865 Civil War Aug 6, 1945 Nuclear Bombing of Hiroshima Period: Mar 12, 1947 to Dec 26, 1991 Cold War Period: Nov 1, 1955 to Apr 30, 1975 Vietnam War Aug 28, 1963 March on Washington Sep 11, 2001 9/11
