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