Commanders:

• Colonel R. Spencer-Browne 4 March 1915 to July 1915

4th Light Horse Brigade (2) [Australian Mounted Division]

4th Light Horse Brigade reformed Egypt February 1917. Attached to British Imperial Mounted Division February 1917. Assigned to Australian Mounted Division June 1917.

Subunits:

• 4th Light Horse Regiment February 1917 to past November 1918

• 11th Light Horse Regiment  
  • February 1917 to past November 1918
• 12th Light Horse Regiment  
  • February 1917 to past November 1918
• 4th Machine Gun Squadron  
  • February 1917 to past November 1918
• 4th Signal Troop  
  • February 1917 to past November 1918

Commanders:

Lieutenant Colonel (Lt Col) M W J Bourchier (later Brigadier Honourable M W J Bourchier CMG DSO VD) who commanded the 4th (Victorian) Light Horse Regiment.  He led his Regiment, the 4th, in the Charge at Beersheba and later in operations in the Es Salt region.  During 1918 Lt Col Bourchier led the 4th Light Horse Brigade in operations leading to the capture of Damascus.  This brigade consisted of the 4th and 12th Light Horse Regiments and became known as 'Bourchier's Force'.

• Brigadier General J. B. Meredith 13 February 1917 to 13 September 1917
• Brigadier General W. Grant 13 September 1917 to past November 1918

Brigadier General William Grant CMG DSO and Bar who commanded the Australian 4th Light Horse Brigade 1917-1919 and the Anzac Mounted Division (temporarily) in 1918.  Grant was a Queenslander, a surveyor and pastoralist from the Darling Downs.  He had joined the 11th Light Horse Regiment in the early 1900s and was commanding officer when the Regiment went to Palestine in the First World War.  In October 1917, Grant led the Brigade in the successful Charge at Beersheba.

Campaigns:

• Palestine: 
  • First Battle of Gaza, 
  • Second Battle of Gaza, 
  • Third Battle of Gaza, 
  • Beersheba, 
  • Jerusalem, 
  • Jericho, 
  • Es Salt, 
  • Megiddo, 
  • Damascus