During the Second World War, military personnel from many nations were laid to rest in Belfast City Cemetery, as well as many casualties of the Belfast Blitz.
During the Second World War, many members of the Royal Air Force including those who served with the Australian, New Zealand, and Canadian Air Forces died while serving or training in Northern Ireland.
Between 1942 and 1943, several members of the United States Forces who died in Northern Ireland were laid to rest in Belfast City Cemetery before the opening of a purpose-built cemetery at Lisnabreeny.