The 2nd Cavalry Division was a division of the regular British Army that saw service in the Peninsular War and in World War I, when it also known as Gough's Command, after its commanding general. It was part of the British Expeditionary Force that served in France in from 1914 to 1918. It was involved in most of the major actions where cavalry were used as a mounted mobile force, and also many where the troops were dismounted and effectively served as infantry.
The 3rd Cavalry Division was a division of the British Army in the First World War. It was formed at Ludgershall, Wiltshire England in September 1914 under the command of Major-General the Hon. Julian Byng. The division moved to Belgium in the first week of October 1914, landing at Ostend, although its third Brigade was only formed there once. During the war the division took part in most of the major actions where cavalry were used as a mounted mobile force, and also many where the troops were dismounted and effectively served as infantry.
The 1st Indian Cavalry Division was a division of the British Indian Army which was formed at the outbreak of the First World War. It served on the Western Front, and was renamed the 4th Cavalry Division on 26 November 1916. In March 1918, the 4th Cavalry Division was disbanded; the British units remained in France and the Indian units were sent to Egypt to help form the 1st Mounted Division.
The 2nd Indian Cavalry Division was a division of the British Indian Army formed at the outbreak of World War I. It served on the Western Front, being renamed as 5th Cavalry Division on 26 November 1916. In March 1918, the 5th Cavalry Division was broken up. The British and Canadian units remained in France and the Indian elements were sent to Egypt to help constitute 2nd Mounted Division.
The 11th Indian Cavalry Brigade was a cavalry brigade of the British Indian Army that saw active service in the Indian Army during the First World War. It took part in the Mesopotamian campaign and was broken up soon after the end of the war.
The Meerut Cavalry Brigade was a cavalry brigade of the British Indian Army formed in 1904 as a result of the Kitchener Reforms. It was mobilized as 7th (Meerut) Cavalry Brigade at the outbreak of the First World War and departed for the Western Front where it served as part of the 2nd Indian Cavalry Division.
The 9th (Secunderabad) Division was an infantry division formation of the British Indian Army. It was part of the Southern Army and was formed in 1904 after Lord Kitchener was appointed Commander-in-Chief, India between 1902 and 1909. He instituted large-scale reforms, including merging the three armies of the Presidencies into a unified force and forming higher level formations, eight army divisions, and brigading Indian and British units. Following Kitchener's reforms, the British Indian Army became "the force recruited locally and permanently based in India, together with its expatriate British officers."
The 17th Indian Division was formed in 1917 from units of the British Indian Army for service in the Mesopotamia Campaign during World War I. After the war, it formed part of the occupation force for Iraq and took part in the Iraq Rebellion in 1920. In August 1923, the division was reduced to a single brigade.
The 18th Indian Division was an infantry division of the British Indian Army that saw active service in the First World War. It took part in the Mesopotamian campaign and formed part of the occupation force for Iraq post-war. The division was not reformed for the Second World War.
The 1st (Risalpur) Cavalry Brigade was a cavalry brigade of the British Indian Army formed in 1906 as a result of the Kitchener Reforms. It remained in India during the First World War but took an active part in the Third Anglo-Afghan War in 1919.
The 1st South Midland Mounted Brigade was a yeomanry brigade of the British Army, formed as part of the Territorial Force in 1908.
The 2nd South Midland Mounted Brigade was a yeomanry brigade of the British Army, formed as part of the Territorial Force in 1908.
The Nottinghamshire and Derbyshire Mounted Brigade was a yeomanry brigade of the British Army, formed as part of the Territorial Force in 1908.
The 3rd Cavalry Brigade was a cavalry brigade of the British Army. It served in the Napoleonic Wars, in the Boer War, and in the First World War on the Western Front where it was initially assigned to The Cavalry Division before spending most of the war with the 2nd Cavalry Division.
The 9th Cavalry Brigade was a cavalry brigade of the British Army in World War I. It was formed in France in 1915 and served on the Western Front as part of the 1st Cavalry Division until the end of the war.
The 8th Cavalry Brigade was a cavalry brigade of the British Army in World War I. It was formed in Belgium in 1914 and served on the Western Front as part of the 3rd Cavalry Division. It left the 3rd Cavalry Division on 14 March 1918.
The Secunderabad Cavalry Brigade was a cavalry brigade of the British Indian Army formed in 1907 as a result of the Kitchener Reforms. It was mobilized as 9th (Secunderabad) Cavalry Brigade at the outbreak of the First World War and departed for France. It served on the Western Front as part of the 1st and 2nd Indian Cavalry Divisions until it was broken up in March 1918.
The 5th (Mhow) Cavalry Brigade was a cavalry brigade of the British Indian Army that saw active service in the Indian Army during the First World War. Formed in November 1914, it served on the Western Front as part of the 2nd and 1st Indian Cavalry Divisions until it was broken up in March 1918.
The 6th Indian Cavalry Brigade was a cavalry brigade of the British Indian Army that saw active service in the Indian Army during the First World War. It took part in the Mesopotamian campaign and was broken up soon after the end of the war.
The 10th Indian Cavalry Brigade was a cavalry brigade of the British Indian Army that formed part of the Indian Army during the First World War. It remained in India throughout the war.
British India 
British Indian Army