IX Corps (United Kingdom)
| IX Corps IX Corps District |
|
|---|---|
| Active | 1915–1919 1941–1943 |
| Country |
 United Kingdom
|
| Branch |
 British Army
|
| Type | Corps |
| Engagements | |
| Commanders | |
| Notable commanders |
Frederick Stopford Julian Byng Alexander Hamilton-Gordon Walter Braithwaite John Crocker Brian Horrocks |
IX Corps was a corps-sized formation of the British Army that existed during World War I and World War II.
The IX Corps was originally formed in England in 1915 in readiness to make a new landing at Suvla during the Battle of Gallipoli. Headquarters was formed at the Tower of London Command of the corps was given to Lieutenant-General Sir Frederick Stopford. His handling of the corps during the August Offensive warranted his replacement after only 9 days with Lieutenant-General Julian Byng.
During the Gallipoli campaign the corps comprised the following divisions:
Following the British evacuation of Gallipoli, the corps was moved to France in 1916, where it was commanded by Alexander Hamilton-Gordon until he was relieved in 1918.
In September 1918 the following divisions joined the Corps:
After severe losses during the Battle of the Lys in April 1918 the corps was moved south to a quiet sector to reform. This sector was the unlucky target of the next German offensive, the Third Battle of the Aisne in May–June 1918, causing further losses to IX Corps. General Duchene, commander of the French Sixth Army, had deployed IX corps (five divisions) too far forward, on the Chemin des Dames ridge which had been gained at such cost in the Second Battle of the Aisne the previous year. (The French Commander-in-Chief Petain and the Army Group Commander Franchet d’Esperey would have preferred the ridge to be lightly held and the main defence to be a battle zone between it and the Rive Aisne).
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