World War 1 By luciaaguirre 1914 Stalemate on the Western Front 1914 Development of Alliances All of the descriptions are in the document Jun 28, 1914 The Assassination of Archduke Franz Ferdinand Jul 28, 1914 Austria Declares War on Serbia Period: Sep 5, 1914 to Sep 12, 1914 The First Battle of the Marne Dec 25, 1914 Christmas Truce May 7, 1915 Sinking of the Lusitania 1917 Zimmerman Telegram Period: 1917 to 1917 Russian Revolution Apr 6, 1917 America Joins the War May 28, 1918 Battle of Cantigny Nov 11, 1918 Armistice
