4th Cavalry Brigade (United Kingdom)

Infobox Military Unit
unit_name= 4th Cavalry Brigade
abbreviation= 4th Cav Bde
Caption=British 4th Cavalry Brigade
dates= 2 September 1939 - 1 August 1941
country= Great Britain
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branch= British Army
type= Yeomanry
role= Cavalry
size= Brigade
command_structure= 1st Cavalry Division
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The 4th Cavalry Brigade was formation of the British Army during the First World War, which was formed again in 1939 from Yeomanry Regiments for service during the Second World War. During both conflicts it served as a part of the 1st Cavalry Division.

History in World War II

The only British cavalry division during the War, this formation was sent in January 1940 to the Middle East as a garrison and occupation force. In May 1941 the 4th Cavalry Brigade, together with a battalion of infantry from The Essex Regiment, a mechanised regiment from the Arab Legion and supporting artillery was reorganised 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 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.

On 1 August 1941 the Brigade was converted into the 9th Armoured Brigade when the 1st Cavalry Division was converted to the 10th Armoured Division.

Brigade Units

** Household Cavalry Regiment
** North Somerset Yeomanry
** Royal Wiltshire Yeomanry