The 112th Brigade was a formation of the British Army during the First World War. It was raised as part of the new army also known as Kitchener's Army and assigned to the 37th Division. The brigade was also attached to the 34th Division from July to August 1916.
Formation
The infantry battalions did not all serve at once, but all were assigned to the brigade during the war.
References
112th Brigade (United Kingdom) Wikipedia(Text) CC BY-SA