world war 1 By Elijah W. Jones Jun 28, 1914 the assaination of prince ferdinand The assassination Jul 28, 1914 austria-hungary's ultimanim to serbia austiria-hunary's ultimatum to sebria Jul 29, 1914 russia gets involved Russia mobilizes Aug 4, 1914 world war 1 starts ww1 begins Apr 22, 1915 Germans fire germans fire May 7, 1915 Lusitina sinks Lusitina sinks Sep 18, 1915 germany limits subs germany limits subs Sep 15, 1916 1st tanks first tanks Feb 1, 1917 subs are back submarines back Feb 25, 1917 The Zimmermann Teleram the Zimmermann telegram Apr 2, 1917 wilson for war wilsion for war Apr 6, 1917 us enters ww1 us enters world war May 18, 1917 selective service act selective service act Mar 3, 1918 germany and russia peace germany and russia
