World War I By ElSasemix Jun 28, 1914 Assasination in Sarajevo Period: Sep 6, 1914 to Sep 12, 1914 Battle of the Marne May 23, 1915 Italy joins the war Period: Feb 21, 1916 to Dec 18, 1916 Battle of Verdun Period: Jul 1, 1916 to Nov 13, 1916 Battle of the Somme Apr 6, 1917 USA joins the war Oct 24, 1917 Bolshevick Revolution in Russia Mar 3, 1918 Treaty Brest-Litovsk Nov 11, 1918 German surrender. End of the war
