Under the command of Brigadier Julian St. Clair Holbrook, 6th AGRA was created at the Royal Artillery Base Depot near Almaza, North Africa on 15 March 1943.
The HQ 6th AGRA then moved to Beni Yusef, near Cairo in April 1943 to begin the task of establishing the numerous regiments that would form its order of battle.
Through the Italian Campaign, 6th AGRA fought at Sangro, Monte Cassino, Arezzo, Florence, the assault on the Gothic Line.
They held station on Monte Grande beside the British 1st Infantry Division over the winter of 1944/45, before beginning the Spring Offensive in the Po Valley.
6th AGRA finished the war in Austria, Brigadier Holbrook having left the formation three weeks prior to the final surrender of Axis forces in Europe.