The 65th Regiment of Foot was an infantry regiment of the British Army, raised in 1756 as the 2nd Battalion, 12th Regiment of Foot. Under the Childers Reforms it amalgamated with the 84th Regiment of Foot to become the 1st Battalion, York and Lancaster Regiment in 1881.

The Suffolk Regiment was an infantry regiment of the line in the British Army with a history dating back to 1685. It saw service for three centuries, participating in many wars and conflicts, including the First and Second World Wars, before being amalgamated with the Royal Norfolk Regiment to form the 1st East Anglian Regiment in 1959 which, in 1964, was further amalgamated with the 2nd East Anglian Regiment, the 3rd East Anglian Regiment and the Royal Leicestershire Regiment to create the present Royal Anglian Regiment.