G Walker's basic dates timeline By gwalker Aug 20, 1492 columbus sails the ocean blue Period: Aug 20, 1492 to Aug 20, 2003 basic History Dates Aug 20, 1607 Jamestown Jul 4, 1776 Declaration of Independence Aug 20, 1789 Constitution Aug 20, 1803 Louisiana Purchase Aug 20, 1812 War of 1812 Aug 20, 1861 Civil War started Aug 20, 1865 Civile War ended Aug 20, 1917 Involvement in WWI Aug 20, 1918 WWI ended for U.S. Aug 20, 1929 stockmarket crash/ great depression Aug 20, 1941 WWII Aug 20, 1945 WWII Aug 20, 1945 Start of Cold War Aug 20, 1950 Korean War Aug 20, 1953 Korean War Aug 20, 1965 Vietnam War Aug 20, 1973 End of Vietnam War Aug 20, 1989 End of Cold War Aug 20, 1991 Gulf War Sep 11, 2001 September 11 Aug 20, 2003 US invasion of Iraq