XCI Brigade

This unit was formed as part of the raising of the Second New Army, K2. It is also sometimes shown as 91 Brigade RFA.


  • This brigade was originally comprised of numbers 283, 284 and 285 Batteries RFA and the Brigade Ammunition Column. It was placed under command of the 20th (Light) Division. The brigade then remained with the division throughout the rest of the Great War: you can see details of its battles and movements on the page describing the division.
  • On 15 February 1915 the three six-gun batteries were reorganised to become four four-gun batteries and were titled as A, B, C and D Batteries.
    • D Battery left on 12 May 1916, to go to 92 Brigade and became its B Battery. It was replaced by C (Howitzer) Battery which arrived from 92 Brigade and was renamed as D (Howitzer) Battery.
    • The Brigade Ammunition Column left between 12 and 15 May 1916 to merge with others in the divisional artillery to form the 20th Divisional Ammunition Column.
    • On 30-31 August 1916 B Battery was broken up with a two-gun section joining each of A and C Batteries. C Battery joined from 90 Brigade and was renamed as B Battery.
    • A section of two howitzers from D (Howitzer) Battery of 93 Brigade joined as was added to D (Howitzer) Battery.

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