The British Third Army 1915-1918

The addition of a third Army to the British Expeditionary Force took place on 13 July 1915. It was initially placed under the command of General Sir Charles Monro. Third Army remained on the Western Front throughout the rest of the war.

Headquarters locations

  • 13 July 1915 : St Omer
  • 19 July 1915 : Beauquesne
  • 20 March 1916 : St Pol sur Ternoise
  • 1 May 1917 : Noyelle Vion
  • 1 July 1917 : Albert
  • 23 March 1918 : Beauquesne
  • 8 April 1918 : Hesdin
  • 30 July 1918 : Villers l’Hopital
  • 21 October 1918 : Masnieres
  • 5 December 1918 : Flixecourt

Commanding officers

  • 13 July 1915 : General Sir Charles Monro (until he was sent to examine the situation at Gallipoli, October 1915)
  • 23 October 1915 : General Sir Edmund Allenby
  • 9 June 1917: General Hon. Sir Julian Byng

Battles

  • The attack on the Gommecourt salient, 1 July 1916
  • The pursuit of the German retreat to the Hindenburg Line, March- April 1917
  • The Battle of Arras, April-May 1917
  • The Battle of Cambrai, November-December 1917
  • The First Battles of the Somme 1918, March-April 1918
  • The Second Battles of the Somme 1918, August 1918
  • The Second Battles of Arras 1918, August-September 1918
  • The Battles of the Hindenburg Line, September-October 1918
  • The final advance in Picardy, October-November 1918

 

Third Army
During the Battle of the Canal du Nord, part of the Battles of the Hindenburg Line. Advanced Headquarters of the Third Army in a train under camouflage netting near Bapaume, 28 September 1918. IWM image Q9813, with my thanks.

Links

The British Armies in the various theatres of war