 From 2 August to 26 September 1914, he was Chief of Staff of the 4th Army.He led the 33rd Division from 26 September 1914 to 28 June 1915 and the 2nd Guards Infantry Division from 29 June to 25 September.He led X Corps from 22 December 1915 to 20 August 1916 and participated in the Second Battle of Champagne.