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the Anzac Mounted Division formed part of Desert Column, Egyptian Expeditionary Force in World War I. The division was originally made up of the Australian 3rd Light Horse Brigade, the reconstituted 4th Light Horse Brigade, and two British yeomanry brigades; the 5th Mounted Brigade and 6th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 2nd Mounted Division was a yeomanry division that served in the First World War. At the outbreak of war it was assigned to defence of the Norfolk coast. In March 1915 it formed a 2nd Line duplicate of itself, the 2/2nd Mounted Division. Leaving the 2/2nd on coastal defence, it then fought at Gallipoli from April to December 1915, under the command of Major General William Peyton, before being disbanded in January 1916.
The Yeomanry Mounted Division was a Territorial Force cavalry division formed at Khan Yunis in Palestine in June 1917 from three yeomanry mounted brigades. It served in the Sinai and Palestine Campaign of the First World War, mostly as part of the Desert Mounted Corps. In April 1918 six of the regiments were withdrawn from the division and sent to France, being converted from Yeomanry to battalions of the Machine Gun Corps. These were replaced by Indian Army cavalry regiments withdrawn from France, and the division was renamed 1st Mounted Division, the third such division to bear that title. In July the combined division was renamed as the 4th Cavalry Division.
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 Mounted Division was a Yeomanry Division of the British Army active during World War I. It was formed in August 1914 for the home defence of the United Kingdom from four existing mounted brigades of the Territorial Force, each of three regiments of Yeomanry. The divisional order of battle changed often, as the 1st Line brigades left for service overseas and were replaced by 2nd Line formations. It was converted to the 1st Cyclist Division in July 1916, and was broken up in November 1916 without being involved in active service. It remained in East Anglia throughout its existence.
The Royal Buckinghamshire Yeomanry is an Operational Hygiene Squadron of the Royal Logistic Corps, originally formed as cavalry in 1794, and has also served in artillery and signals roles. The lineage is continued by 710 Operational Hygiene Squadron, Royal Logistic Corps.
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 Eastern Mounted Brigade was a formation of the Territorial Force of the British Army, organised in 1908. After serving dismounted in the Gallipoli Campaign, it was absorbed into the 3rd Dismounted Brigade in Egypt in February 1916.
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 Lowland Mounted Brigade was a formation of the Territorial Force of the British Army, organised in 1908. After service in the Gallipoli Campaign, it was absorbed into the 1st Dismounted Brigade in February 1916.
The Highland Mounted Brigade was a formation of the Territorial Force of the British Army, organised in 1908. After service in the Gallipoli Campaign and in the defence of Egypt, it was absorbed into the 2nd Dismounted Brigade in February 1916.
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.
The Yeomanry Mounted Brigade was a formation of the Territorial Force of the British Army, raised in January 1915 during the First World War. After service in the Gallipoli Campaign and with the Western Frontier Force in World War I, it was broken up in March 1916.
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.
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 
British India 
