The Long, Long Trail
 

Corps on the Western Front

Infantry Corps History
I Organised during pre-war planning of BEF. Proceeded to France August 1914 as part of original BEF, under the command of Sir Douglas Haig.
Battles and other key events and dates
The Battle of Mons and subsidiary actions  
The Battle of the Marne 1914  
The Battle of the Aisne 1914, and subsidiary actions  
The Battles of Ypres 1914 (First Ypres)  
The Battle of Aubers, and The Battle of Festubert  
The Battle of Loos and associated actions  
The Arras Offensive and associated actions  
The Battles of the Lys  
The Final Advance in Artois  
Infantry Corps History
II Organised during pre-war planning of BEF. Proceeded to France August 1914 as part of original BEF, under the command of Sir James Grierson, soon succeeded by Sir Horace Smith-Dorrien.
Battles and other key events and dates
The Battle of Mons and subsidiary actions  
The Battle of Le Cateau and subsidiary actions  
The Battle of the Marne 1914  
The Battle of the Aisne 1914, and subsidiary actions  
The Battle of La Bassee, Messines and Armentieres  
The Battle of Neuve Chapelle and subsidiary actions  
The Battles of the Somme 1916  
Operations on the Ancre  
German Retreat to the Hindenburg Line  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The Final Advance in Flanders  
Infantry Corps History
III Formed in England on outbreak of war, and took command of Divisions in France on 31 August 1914.
Battles and other key events and dates
The Battle of the Marne 1914  
The Battle of the Aisne 1914, and subsidiary actions  
The Battle of La Bassee, Messines and Armentieres  
The Battles of the Somme 1916  
German Retreat to the Hindenburg Line  
The Cambrai Operations and associated actions  
The First Battles of the Somme 1918 and associated actions  
The Battle of Amiens and associated actions  
The Second Battles of the Somme 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Artois  
Infantry Corps History
IV Moved to Belgium in October 1914, under the command of Sir Henry Rawlinson. Took brunt of heroic defence at First Battle of Ypres.
Battles and other key events and dates
The Battles of Ypres 1914 (First Ypres)  
The Battle of Neuve Chapelle and subsidiary actions  
The Battle of Aubers, and The Battle of Festubert  
The Battle of Loos and associated actions  
Operations on the Ancre  
German Retreat to the Hindenburg Line  
The Cambrai Operations and associated actions  
The First Battles of the Somme 1918 and associated actions  
The Second Battles of the Somme 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
V Moved to France January 1915.
Battles and other key events and dates
The Battle of Neuve Chapelle and subsidiary actions  
The Battles of Ypres 1915 (Second Ypres)  
The Actions of Spring 1916  
The Battles of the Somme 1916  
Operations on the Ancre  
German Retreat to the Hindenburg Line  
The action at Bullecourt  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The Cambrai Operations and associated actions  
The First Battles of the Somme 1918 and associated actions  
The Second Battles of the Somme 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
VI Formed in France May 1915.
Battles and other key events and dates
The Arras Offensive and associated actions  
The First Battles of the Somme 1918 and associated actions  
The Second Battles of the Somme 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
VII Formed in France July 1915.
Battles and other key events and dates
The Battles of the Somme 1916  
German Retreat to the Hindenburg Line  
The Arras Offensive and associated actions  
The Cambrai Operations and associated actions  
The First Battles of the Somme 1918 and associated actions  
Infantry Corps History
VIII Formed in Gallipoli as the British Army Corps in May 1915, and designated VIII Corps in June 1915. Commanded by Sir Aylmer Hunter-Weston. Moved to France in March 1916. Had major responsibility for failure of northern sector of British offensive on the Somme, 1st July 1916, and was never again responsible for a major offensive. Disbanded in June 1918.
Battles and other key events and dates
The Battles of the Somme 1916  
The Second Battles of Arras 1918  
The Final Advance in Artois  
Infantry Corps History
IX Formed in England and landed at Suvla Bay, Gallipoli in June 1915. Moved to France a year later.
Battles and other key events and dates
The Battle of Loos and associated actions  
The Battle of Messines 1917 and associated actions  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The Battles of the Lys  
The Battle of the Aisne 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
X Formed in France July 1915.
Battles and other key events and dates
The Battle of Messines 1917 and associated actions  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The Advance in Flanders  
The Final Advance in Flanders  
Infantry Corps History
XI Formed in France August 1915. Moved to Italy November 1917, and back to France March 1918.
Battles and other key events and dates
The Fromelles diversion to Battles of the Somme 1916  
The Battles of the Lys  
The Advance in Flanders  
The Final Advance in Artois  
Infantry Corps History
XII Formed in France September 1915. Moved to Salonika November 1915.
Battles and other key events and dates
   
Infantry Corps History
XIII Formed in France November 1915.
Battles and other key events and dates
The Arras Offensive and associated actions  
The First Battles of the Somme 1918 and associated actions  
The Advance in Flanders  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
XIV Formed in France January 1916. Moved to Italy November 1917, and became GHQ in the theatre April 1918. Reformed as XIV Corps in October 1918.
Battles and other key events and dates
The Battles of the Somme 1916  
German Retreat to the Hindenburg Line  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The campaign in Italy  
Infantry Corps History
XV Formed in Egypt January 1916, but disbanded three months later. Reformed in France April 1916.
Battles and other key events and dates
The Battles of the Somme 1916  
German Retreat to the Hindenburg Line  
The German attack on Nieuport  
The Battles of the Lys  
The Advance in Flanders  
The Final Advance in Flanders  
Infantry Corps History
   
Battles and other key events and dates
   
   
Infantry Corps History
XVII Formed by the renumbering of the XV Corps which had itself been formed from the Indian Corps, January 1916.
Battles and other key events and dates
The Arras Offensive and associated actions  
The First Battles of the Somme 1918 and associated actions  
The Second Battles of Arras 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
XVIII Formed in France January 1917. Merged into VIII Corps July 1918.
Battles and other key events and dates
German Retreat to the Hindenburg Line  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The First Battles of the Somme 1918 and associated actions  
Infantry Corps History
XIX Formed in France February 1917.
Battles and other key events and dates
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The First Battles of the Somme 1918 and associated actions  
The Advance in Flanders  
The Final Advance in Flanders  
Infantry Corps History
XXII Formed from II ANZAC December 1917.
Battles and other key events and dates
The Battles of the Lys  
The Second Battles of Arras 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
I ANZAC Formed in Egypt February 1916 from original ANZAC. Renamed Australian Corps in December 1917.
Battles and other key events and dates
The Battles of the Somme 1916  
Operations on the Ancre  
German Retreat to the Hindenburg Line  
The Arras Offensive and associated actions  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
Infantry Corps History
II ANZAC Formed in Egypt March 1916. Renamed XXII Corps in December 1917.
Battles and other key events and dates
The Battle of Messines 1917 and associated actions  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
Infantry Corps History
Australian Formerly I ANZAC, renamed in December 1917, containing 5 Australian Divisions.
Battles and other key events and dates
The Actions of Villers-Bretonneux and the Capture of Hamel  
The Battle of Amiens and associated actions  
The Second Battles of the Somme 1918  
The Battles of the Hindenburg Line and associated actions  
Infantry Corps History
Canadian
Formed when the 2nd Canadian Division moved to France in September 1915, and eventually grew to 4 Canadian Divisions. From formation, the Canadian Divisions always remained together as a national Corps. They were not affected by the reduction of Brigades from four to three battalions, as happened to British formations in early 1918.
Command
Lieutenant-General Sir E. A. H. Alderson (September 1915)  
Lieutenant-General Hon Sir Julian Byng (May 1916)  
Lieutenant-General Sir Arthur Currie (June 1917)  
Battles and other key events and dates
Actions in Spring 1916  
The Battles of the Somme 1916  
The Arras Offensive and associated actions  
The Battles of Ypres 1917 (Third Ypres, or Passchendaele)  
The Battle of Amiens and associated actions  
The Second Battles of Arras 1918  
The Battles of the Hindenburg Line and associated actions  
The Final Advance in Picardy  
Infantry Corps History
Indian Formed in France September 1914, in command of the Meerut and Lahore Divisions on the Western Front, under Lieut-Gen. Sir J. Willcocks. Disbanded December 1915.
Battles and other key events and dates
Winter Operations 1914-1915  
The Battle of Neuve Chapelle and subsidiary actions  
The Battle of Aubers, and The Battle of Festubert  
Infantry Corps History
Reserve Formed in France in April 1916, and next month became GHQ of the Reserve Army (which itself later became Fifth Army)
Battles and other key events and dates
   
Infantry Corps History
Portuguese Moved to France January 1917, containing 2 Portuguese Divisions.
Battles and other key events and dates
   
Cavalry Corps History
Cavalry Corps Formed in France October 1914; broken up March 1916 but re-established September 1916.
Battles and other key events and dates
The Arras Offensive and associated actions  
The Cambrai Operations and associated actions  
The Battles of the Hindenburg Line and associated actions  
Cavalry Corps History
Indian Cavalry Corps Formed in France December 1914; broken up March 1916.
Battles and other key events and dates
   

Corps in other theatres

Infantry Corps History
XVI Formed in Salonika January 1916.
XX Formed in Palestine August 1917.
XXI Formed in Palestine August 1917.
XXIII Formed in England February 1918 and remained there.
XXIV Formed in Egypt March 1918 but disbanded only a week later.
Tigris Corps Formed in Mesopotamia in April 1915.
I Indian Formed in Mesopotamia in November 1916.
II Indian Formed in Mesopotamia in April 1915, when Indian Expeditionary Force D was increased to two Divisions.
III Indian Formed in Mesopotamia in December 1915. Was also called the Tigris Corps. Split into two November 1916, also forming the I Indian Corps.
ANZAC Formed in Egypt early in 1915; served on Gallipoli; renamed I ANZAC February 1916.
Desert Mounted Corps Formed in Egypt in August 1917; served in Palestine.

 

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