Unit 10 By (P#3) JulioC Apr 22, 1914 Germans Fire Jun 28, 1914 archduke franz ferdinand assassination Jul 30, 1914 Russia Mobilizes Aug 4, 1914 World War I Begins May 7, 1915 Lusitania Sinks Sep 18, 1915 Germany Limits Submarines Sep 15, 1916 First Tanks Feb 1, 1917 Submarines Back Feb 25, 1917 Zimmerman Telegram Apr 2, 1917 Wilson For War Apr 6, 1917 U.S. Enters War May 18, 1917 Selective Service Act Mar 3, 1918 Germany and Russia Peace
