Military Wiki
I Corps
Active World War I
Country United Kingdom British India
Branch India British Indian Army
Type Field corps

Western Front[1]

Mesopotamian Campaign
Lieutenant General Sir James Willcocks
Lieut-Gen Alexander Cobbe

for the current Indian Army formation see I Corps (India)

The I Indian Corps was an army corps of the British Indian Army in World War I. It was formed at the outbreak of war under the title Indian Corps from troops sent to the Western Front. The British Indian Army did not have a pre-war corps structure, and it held this title until further corps were created. It was withdrawn from the Western Front in December 1915 and reconstituted as I Indian Corps in Mesopotamia until the end of the war.

Western Front[]

In 1914 Indian Expeditionary Force A was sent to reinforce the British Expeditionary Force (BEF) fighting in France. In France it formed the Indian Cavalry Corps and Indian Corps composed of 3rd (Lahore) and 7th (Meerut) Divisions. (In France, these formations were simply known as 'Lahore' and 'Meerut' Divisions, to distinguish them from the 3rd and 7th British divisions.) Despatch from India was delayed by the activities of the German raiders Emden and Konigsberg operating in the Indian Ocean, and by the slow speed of the transport vessels. Lahore Division began landing at Marseilles on 26 September 1914, but there were further delays while the troops were re-armed with the latest pattern rifle, and the supply train could be improvised, using tradesmens' vans procured locally.[2] The corps finally got into action at the Battles of La Bassee, 1st Messines and Armentieres in October–November 1914.

Order of Battle October–December 1914[3][]

General Officer Commanding: Lieut-Gen Sir J. Willcocks, KCB, KCSI, KCMG, DSO
Brig-Gen, General Staff: Brig-Gen H. Hudson, CB, CIE
Brig-Gen, Royal Artillery: Brig-Gen H.F. Mercer, CB, ADC
Colonel, Royal Engineers: Col H.C. Nanton



On 13 August 1915, General Sir John Nixon, commanding Indian Expeditionary Force D in Mesopotamia, requested one of the Indian infantry divisions in France as reinforcements for his advance on Baghdad. Coincidentally, on the same day, the Secretary of State for India, Austen Chamberlain, told the Viceroy of India that he was anxious for the Indian infantry to be withdrawn from France before they had to endure another winter. The system for supplying drafts had broken down and the Indian battalions were becoming very weak after the heavy casualties they had suffered. Although the Secretary of State for War, Lord Kitchener, objected to their withdrawal from the Western Front, orders were issued on 31 October for the two divisions of Indian Corps (3rd (Lahore) and 7th (Meerut) Division) to embark at Marseilles for Mesopotamia.[6] Indian Corps was relieved in the front line on 6 November by XI Corps and the two divisions were due at Basra in December, but their departure from Marseilles was delayed because of fear of submarine attack.[7] 3rd (Lahore) Division finally arrived in Mesopotamia in April 1916 and joined Tigris Corps, too late to relieve 6th (Poona) Division at Kut-al-Amara.[8]


  2. Edmonds, 1914, Vol II, p. 92, Note 1.
  3. Edmonds, 1914, Vol II, Appendix 1.
  4. "The British Corps of 1914-1918". Retrieved 12 September 2009. 
  5. Edmonds & Wynne 1915, Vol. II, Appendix 2.
  6. Edmonds & Wynne, 1915, Vol II, pp. 402–3.
  7. Moberly, Vol II.


  • Edmonds, Brigadier-General Sir James E., Military Operations France and Belgium, 1914 Volume II: Antwerp, La Bassee, Armentieres, Messines, and Ypres October–November 1914, London: Macmillan (1925; Imperial War Museum reprint
  • Edmonds, Brigadier-General Sir James E., and Wynne, Capt G.C., Military Operations France and Belgium, 1915 Volume II: Battle of Aubers Ridge, Festubert, and Loos, London: Macmillan (1928; Imperial War Museum reprint).
  • Moberly, Brigadier-General F.J., The Campaign in Mesopotamia 1914–1918, (4 Vols) London: HMSO (1923–27; Imperial War Museum reprints).

External links and further reading[]

  • India and the Western Front, Dr David Omissi, BBC History website
  • The Indian Corps in France, J. W. B. Merewether and Frederick Edwin Smith, 1st Earl of Birkenhead (1917, revised edition 1919) - this is the official regimental history of the campaigns in France in World War I
  • Corrigan, Gordon (2006). Sepoys in the Trenches: The Indian Corps on the Western Front 1914–15. Tempus Publishing Ltd. Pp. 296. ISBN 1-86227-354-5. 

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