Battles of World War One By Heatherj Period: Aug 26, 1914 to Aug 30, 1914 Battle of Tannenberg Period: Sep 5, 1914 to Sep 12, 1914 The first battle of the Marne Period: Apr 22, 1915 to May 25, 1915 The second battle of Ypres Period: Feb 21, 1916 to Dec 18, 1916 Battle of Verdun Period: May 31, 1916 to Jun 1, 1916 The battle of Jutland Period: Jul 1, 1916 to Nov 18, 1916 Battle of the Somme