12th Infantry Brigade (All States) [Fourth Division] Formed in Egypt 24 February 1916 and assigned to Fourth Division.

Subunits:

• 45th Infantry Battalion 4 March 1916 to past November 1918
• 46th Infantry Battalion 4 March 1916 to past November 1918
• 47th Infantry Battalion 7 March 1916 to 31 May 1918
• 48th Infantry Battalion 7 March 1916 to past November 1918
• 12th Machine Gun Company July 1916 to February 1918
• 12th Light Trench Mortar Battery July 1916 to past November 1918

Commanders:

• Brigadier General D. J. Glasfurd 24 February 1916 to 12 November 1916 (killed)
• Brigadier General J.C. Robertson 1 December 1916 to 13 November 1917
• Brigadier General J. Gellibrand 13 November 1917 to 31 May 1918
• Brigadier General R. L. Leane 1 June 1918 to November 1918

Campaigns:

Egypt, Sinai: Defence of Suez Canal, Western Front: Pozieres, Retreat to the Hindenburg Line, Bullecourt, Messines, Menin Road, Polygon Wood, Passchendaele, Amiens, Albert, Hindenburg Line

by Ross Mallett (ADFA)