During the Second World War, boarders left Campbell College grammar school in East Belfast. The site became a military hospital operating throughout the war.
No. 24 (London) General Hospital operated from the site of Campbell College grammar school in East Belfast, treating many men and women during the Second World War.
One of the greatest single losses of life during the Belfast Blitz came on the night of 4th-5th May 1941 when Luftwaffe bombs fell in and around No. 24 (London) General Hospital.