American History By cesarsalazar1 Sep 17, 1787 Signing of the Constitution Apr 30, 1803 The Louisiana Purchase is Made Apr 25, 1846 The Mexican American War Starts Jan 1, 1863 The Emancipation Proclamation Frees slaves in rebel states Jul 28, 1914 WWI Begins Dec 8, 1941 America Joins WWII Apr 24, 1990 Hubble Telescope is launched Nov 4, 2008 First Black President, Barack Obama, is Elected
