U.S. History By k_watkins Jun 28, 1914 Assassination of Archduke Ferdinand Aug 4, 1914 Wilson Urges Neutrality May 7, 1915 Sinking of the Lusitania 1917 Espionage Act 1917 Selective Service Act 1917 American Troops Enter Europe 1917 Zimmerman Note Apr 13, 1917 Creation of CPI Jan 8, 1918 Wilson's 14 Points Aug 6, 1918 Second Battle of Marne 1919 Rejection of the Treaty of Versailles Jan 21, 1920 Paris Peace Conference 1940 German Surrender in Compiegne, France Dec 11, 1941 America Declares War