The 8th Cavalry Brigade served on a front that was the main theater of during during what war?
8th Cavalry Brigade (United Kingdom) The 8th Cavalry Brigade was a cavalry brigade of the British Army in World War I. It was formed in Belgium in 1914 and served on the Western Front as part of the 3rd Cavalry Division. It left the 3rd Cavalry Division on 14 March 1918.
Southwestern Front (Russian Empire) The Southwestern Front was a major unit of the Imperial Russian Army during the First World War. It was established on 19 August 1914.