It was created in 1974 as a district of Cheshire, and became a unitary authority area on 1 April 1998.
Mimoso was created as a district of Niquelândia in 1951.
West Bridgford was created as an urban sanitary district in 1891.
It was created as a politico-military district later.
The town was created as a sanitary district (sukhaphiban) in 1956.
Nakrang-guyok was officially created as a separate district in 1959.
In 1906 Durg was created as a separate district.
It has been created in 1946 until his designation as a district of Quebec City in 2002.
Phran Kratai district was created as a district in 1895.
Cariacica was created as a district of Vitória on 18 December 1837.