America By Maeson M Period: Apr 19, 1775 to Sep 3, 1783 Revolutionary war begins/ends Aug 2, 1776 Declaration of independence ratified Jun 21, 1788 US Constitution Ratified Apr 30, 1805 Louisiana Purchase Period: Apr 12, 1861 to Apr 9, 1865 Civil War Begins/Ends Apr 14, 1865 Abraham Lincoln Assasinated Jan 27, 1875 Thomas Edison perfects the Lightbulb Mar 7, 1876 Alexander Graham Bell invents the telephone Dec 17, 1903 The Wright Brothers discover the airplane Period: 1929 to 1939 The Great depression starts/ends Sep 1, 1939 WWII Starts Dec 7, 1940 Pearl Harbor Jun 6, 1944 D-Day 1945 hiroshima and Nagasaki/ ww2 ends 1958 The First Video game Invented Jan 1, 1983 The Internet is invented Sep 11, 2001 9/11 Terrorist Attacks Sep 13, 2001 United States declares war on afghanistan May 2, 2011 The killing of Osama Bin Laden
