[a] For the Hundred Days Campaign, he numbered his British cavalry brigades in a single sequence, 1st to 7th.

[b] The 4th Cavalry Brigade consisted of: It was commanded by Major General Sir John Ormsby Vandeleur.

[c] Following the outbreak of the Second Boer War in late 1899, a 4th Cavalry Brigade was established under the command of Major-General John Dickson.

[16] 4th Cavalry Brigade was a peacetime formation of the British Army, based in Eastern Command.

[17] On mobilization, the brigade was brought up to its full – three regiment – strength with the addition of the Household Cavalry Composite Regiment;[d] 4th Cavalry Brigade Field Ambulance also joined[19] and the attached units departed at this point.

[26] At other times, the brigade formed a dismounted unit and served in the trenches as a regiment under the command of the brigadier.

[30] In late December, the division moved to winter quarters south and south-east of Liège.

It remained here until 30 January 1919 when it exchanged regiments with 1st and 3rd Cavalry Divisions then gradually moved back to England.

[35] From 6 May 1941 the brigade, together with a battalion of infantry from the Essex Regiment, a mechanised regiment from the Arab Legion and supporting artillery was organised as Habforce for operations in Iraq including the relief of the base at RAF Habbaniya and the occupation of Baghdad.

Following this, in July 1941 it was placed under the command of I Australian Corps and was involved in operations against the Vichy French in Syria, advancing from eastern Iraq near the Trans-Jordan border on Palmyra to secure the Haditha – Tripoli oil pipeline.