World War 1 Timeline By MeganG760 Jun 28, 1914 Assasination of Archduke Ferdinand Jul 28, 1914 Austria-Hungary declares war on Serbia Sep 1, 1914 Race of Seas Dec 24, 1914 Christmas Truce May 7, 1915 Sinking of the Lusinatina Sep 5, 1915 Tsar Nicholas II takes personal control over Russia's armies. May 19, 1916 The Battle of Jutland Sep 21, 1917 Creation of The League of Nations Jan 8, 1918 Woodrow Wilson issues his Fourteen Points to peace. Jun 28, 1919 Treaty of Versailles