100th Brigade (United Kingdom)

The 100th Brigade was a formation of the British Army during World War I. It was raised as part of the new army also known as Kitchener's Army and assigned to the 33rd Division. The brigade served on the Western Front.

Formation
The infantry battalions did not all serve at once, but all were assigned to the brigade during the war:
 * 13th Battalion, Essex Regiment (West Ham)
 * 16th Battalion, Middlesex Regiment (Public Schools)
 * 17th Battalion, Middlesex Regiment (1st Football)
 * 16th Battalion, King's Royal Rifle Corps (Church Lads Brigade)
 * 1st Battalion, Queen's Royal Regiment (West Surrey)
 * 2nd Battalion, Worcestershire Regiment
 * 1/6th Battalion, Cameronians (Scottish Rifles)
 * 1/9th Battalion, Highland Light Infantry
 * 100th Machine Gun Company
 * 100th Trench Mortar Battery