However with prumulgated in 2010 of new constitution the district ceased to exist and it was changed into county.

The electoral district ceased to exist at the drop of the writ for the 1888 Northwest Territories general election.

Under the Consolidation law the district ceased to exist in 1854, and become a part of Philadelphia.

The district ceased to exist.

The district formally ceased to exist with the 1999 provincial election, and was incorporated into the new districts of Windsor West and Essex.

With the formation of Inagi the last city to be created in Tokyo in 1971, the district ceased to exist.

The district ceased being an independent territory in 1905 and was returned to the Northwest Territories.

The district ceased to exist at the 1950 state election, when Labor member John Tonkin transferred the new district of Melville.

On November 1, 2004 the only town in the district merged into the neighboring city of Hitachi at which point the district ceased to exist.

The district ceased to exist as an administrational unit in 1920 with the Greater Berlin Act.