WWI Battles By jake.roberts Period: Aug 26, 1914 to Aug 30, 1914 Battle of Tannenberg Period: Sep 5, 1914 to Sep 12, 1914 First Battle of the Marne Period: Apr 22, 1915 to May 25, 1915 Second Battle of Ypres Period: Apr 25, 1915 to Jan 9, 1916 Battle of Gallipoli Period: Feb 21, 1916 to Dec 18, 1916 Battle of Verdun Period: May 31, 1916 to Jun 1, 1916 Battle of Jutland Period: Jun 4, 1916 to Aug 10, 1916 Brusilov Offensive Period: Jul 1, 1916 to Nov 18, 1916 Battle of the Somme Period: Jul 31, 1917 to Nov 6, 1917 Battle of Passchendaele Period: Oct 24, 1917 to Nov 19, 1917 Battle of Caporetto