The 79th Brigade was a formation of the British Army. It was raised as part of the new army also known as Kitchener's Army and assigned to the 26th Division and served on the Western Front and the Macedonian Front during the First World War.
Formation
The infantry battalions did not all serve at once, but all were assigned to the brigade during the war.
References
79th Brigade (United Kingdom) Wikipedia(Text) CC BY-SA