The Australian Mounted Division originally formed as the Imperial Mounted Division in January 1917, was a mounted infantry, light horse and yeomanry division. The division was formed in Egypt, and along with the Anzac Mounted Division formed part of Desert Column, Egyptian Expeditionary Force in World War I. The division was originally made up of the Australian 3rd Light Horse Brigade, the reconstituted 4th Light Horse Brigade, and two British yeomanry brigades; the 5th Mounted Brigade and 6th Mounted Brigade.
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 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 London Mounted Brigade was a yeomanry brigade of the British Army, formed as part of the Territorial Force in 1908.
The North 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 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 1st Mounted Division was a cavalry division that served as part of the Egyptian Expeditionary Force in Palestine in World War I. It was formed in April 1918 when the Yeomanry Mounted Division was merged with elements of the 1st Indian Cavalry Division withdrawn from the Western Front. In July 1918, the combined division was renamed as the 4th Cavalry Division. It remained in Palestine after the end of the war on occupation duties until finally broken up in 1921.
The 2nd Mounted Division was a cavalry division that served as part of the Egyptian Expeditionary Force in Palestine in World War I. It was formed in April 1918 when three brigades already in Palestine were merged with elements of the 2nd Indian Cavalry Division withdrawn from the Western Front. In July 1918, the division was renamed as the 5th Cavalry Division. It remained in Palestine after the end of the war on occupation duties until finally broken up in 1920.
V Lowland Brigade, Royal Field Artillery was a field artillery brigade formed from three Territorial Force Royal Horse Artillery batteries in January 1916. It was assigned to the 52nd (Lowland) Division to replace I Lowland Brigade, RFA (T.F.) and joined the division in Egypt.
The Hampshire Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Hampshire in 1909. It saw active service during the First World War in Egypt and Palestine from 1916 to 1918, initially as field artillery with 52nd (Lowland) Division before being converted back to horse artillery and serving with the Yeomanry Mounted Division and 1st Mounted / 4th Cavalry Division. A second line battery, 2/1st Hampshire RHA, served on the Western Front in 1917 and 1918 as part of an Army Field Artillery Brigade. Post-war, it was reconstituted as a Royal Field Artillery battery.
The Essex Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Essex in 1908. It saw active service during the First World War in Egypt and Palestine from 1916 to 1918, initially as field artillery with 52nd (Lowland) Division before being converted back to horse artillery and serving with the 2nd Mounted / 5th Cavalry Division. A second line battery, 2/1st Essex RHA, served on the Western Front in 1917 and 1918 as part of an Army Field Artillery Brigade.
III Brigade, Royal Horse Artillery , along with its sister IV Brigade, Royal Horse Artillery (T.F.), was a Royal Horse Artillery brigade of the Territorial Force that was formed in Egypt in April 1916 for the ANZAC Mounted Division.
A Battery, Honourable Artillery Company is a L118 light gun battery that provides a reserve to 7th Parachute Regiment Royal Horse Artillery. Its predecessor was a horse artillery battery that was formed from Light Cavalry Squadron, HAC, in 1891. It transferred to the Territorial Force in 1908 as artillery support for the London Mounted Brigade.
B Battery, Honourable Artillery Company was a horse artillery battery that was formed from the Field Artillery, HAC in 1899. It transferred to the Territorial Force in 1908 as artillery support for the South Eastern Mounted Brigade.
XIX Brigade, Royal Horse Artillery was a Royal Horse Artillery brigade of the Territorial Force that was formed by the Egyptian Expeditionary Force in Palestine in January 1917 for the Imperial Mounted Division. It served with the division thereafter in the Sinai and Palestine Campaign and was broken up after the end of World War I.
The Somerset Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Somerset in 1908. It saw active service during the First World War in the Sinai and Palestine Campaign with the ANZAC Mounted Division from 1916 to 1918. A second line battery, 2/1st Somerset RHA, served on the Western Front with the 63rd Division from 1916 to 1918. It was disembodied after the end of the war and was not reconstituted in the Territorial Force in 1920.
The Leicestershire Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Leicestershire in 1908. It saw active service during the First World War in Egypt and Palestine from 1916 to 1918, initially with ANZAC Mounted Division before joining the Yeomanry Mounted Division and 1st Mounted / 4th Cavalry Division. A second line battery, 2/1st Leicestershire RHA, served on the Western Front with the 63rd Division from 1916 to 1918. Post-war, it was reconstituted as a Royal Field Artillery battery.
The Nottinghamshire Royal Horse Artillery was a Territorial Force Royal Horse Artillery battery that was formed in Nottinghamshire in 1908. It saw active service during the First World War in the Middle East – in the Senussi Campaign and the Sinai and Palestine Campaign – from 1915 to 1918. A second line battery, 2/1st Nottinghamshire RHA, served in the Mesopotamian Campaign in 1917 and 1918 as a Field Artillery battery. Post-war, it was reconstituted as a Royal Field Artillery battery.
United Kingdom 
British Army 