TimCreamerUS By tcreamer17 Aug 1, 1914 Declaration of Neutrality May 1, 1915 The Lusitania May 1, 1916 Sussex Pledge Made Period: Jan 1, 1917 to Mar 1, 1917 Zimmermann Note Feb 1, 1917 Sussex Pledge Ended Mar 1, 1917 3 American Ships Targeted Apr 1, 1917 Declaration of War
