WW1 Timeline By smimon11 Jan 18, 1871 germnay officially unified Apr 1, 1871 France looses Alsace and Lorraine to Germany Apr 1, 1908 Austria-Hunfary annexes Bosnia Jun 28, 1914 Archduke Franz Ferdinand was assassinated Jul 28, 1914 Austria declares war on Serbia Aug 23, 1914 Japan declares war on Germany Aug 26, 1914 Battle of Cannonberg Sep 5, 1914 Battle of Marne Apr 25, 1915 Battle of Gallipoli May 7, 1915 Lusitania sinks Feb 21, 1916 Battle of Verdun May 31, 1916 battle of Jutland Jul 1, 1916 Battle of Somme Jul 31, 1917 Battle of Passchendaele Nov 2, 1917 Balfour Declaration Jan 8, 1918 14 points propsed Apr 1, 1918 influenza epademic Nov 11, 1918 Armistice Signed Apr 1, 1919 Germany stopped reparation payments to France