The Household Battalion was an infantry battalion of the British army during the Great War. It was formed in September 1916 from the reserves of the Household Cavalry regiments (the 1st Life Guards, 2nd Life Guards and the Royal Horse Guards) to help fill the every-increasing demands for infantry on the Western Front. Considerable effort was expended in the conversion of cavalrymen into footsoldiers trained and equipped for trench warfare. The battalion spent its entire existence on the Western Front as part of the 4th Infantry Division, arriving as the Battle of the Somme was ending in early December 1916. It fought in the Battle of Arras and later at Third Ypres, suffering severely in the assault on Poelcappelle. Its last major engagement was the defence of Bourlon Ridge during the Battl