World War One By Dylan Levi Jan 1, 1871 Prussia and Germany Unify Prussia and Germany unify. New Empire ruled by King Wilhen 1. Jun 28, 1914 Francis Ferdinand Francis Ferdinand assassinated at Sarajevo. Aug 1, 1914 Germany declred war on Russia. Sep 6, 1914 Battle of Marne started. May 23, 1915 Italy declred war on Germany and Austria. Sep 25, 1915 Start of the Battle of Loos Dec 19, 1915 The Allies started the evacuation of Gallipoli. May 31, 1916 Battle of Jutland Apr 6, 1917 USA declared war on Germany. Jul 31, 1917 Start of the Third Battle at Ypres. Oct 30, 1918 Turkey made peace. Jan 4, 1919 Peace conference met at Paris.
