World War I By avelez1972 Jun 28, 1914 Assassination of Archduke Ferdinand [Assassination of Archduke] (Ferdinand]https://www.youtube.com/watch?v=JEGVcSpfM9k) Jul 28, 1914 Austria Hungary declared war on Serbia Austria Hungary declares war on Serbia Aug 1, 1914 Germany declares war on Russia Germany declares war on Russia Sep 3, 1914 Battle of Marne Battle of Marne May 31, 1916 Battle of Jutland Battle of Jutland Jul 1, 1916 Battle of Somme Battle of Somme Feb 1, 1917 Submarines Back Germany resumes unrestricted submarine warfare in European waterways May 18, 1918 Selective Service Act Congress passes the selective service act authorizing the draft. Jun 3, 1918 Chateau-Thierry The Americans attack the Germans at Chateau-Thierry Nov 11, 1918 Armistice Day An Armistice is signed ending fighting on the Western Front.