History By facebooker_1947419992184622 Jul 28, 1914 Assesination of Franz Ferdinand Aug 1, 1914 Declaretion of War Aug 14, 1914 Battle of Tannenberg Sep 1, 1914 Triple Entente Nov 1, 1914 Beginning of Trench Warfare Jan 1, 1915 Poison gas first used Apr 1, 1915 Poison Gas first used May 31, 1916 Battle of Jutland Nov 28, 1916 First aeroplane used Apr 6, 1917 United States declared war on Germany Nov 1, 1917 Battle of Cambrai Aug 16, 1918 Battle of Amiens Nov 11, 1918 Armistice Signed
