Gwynedd Constabulary ended in 1967.
Gwynedd Constabulary was created in 1950.
Herefordshire Constabulary ended in 1967.
Oxfordshire Constabulary ended in 1968.
Flintshire Constabulary ended in 1967.
Monmouthshire Constabulary ended in 1967.
Glamorgan Constabulary ended in 1969.
Buckinghamshire Constabulary ended in 1968.
Northumberland Constabulary ended in 1974.
Berkshire Constabulary ended in 1968.
Kingdom of Gwynedd ended in 1282.
Devon County Constabulary ended in 1966.
Cornwall County Constabulary ended in 1967.