It was created on 1 September 2012 by the merger of the three former districts of Canglang, Pingjiang, and Jinchang.

On 1 July 1974, Beselich was assigned to the new Limburg-Weilburg district through the merger of the two former districts of Oberlahnkreis and Limburg.

This merger of the two districts occurring in the 1950s to increase efficiency and decrease costs for both communities, led to the formation of "Montague Area Public Schools".

It was formed by a County Review Order in 1933 by the merger of the urban districts of Walton-on-Thames and Weybridge.

Considering the economic loss to the Travancore-Cochin State the Commission did not favour the merger of the hilly districts, Deviculam and Peermade with Madras State.

It was created in Berlin's 2001 administrative reform by the merger of the former districts of Mitte proper, Tiergarten and Wedding; the resulting borough retained the name Mitte.

The current middle school was Arnold's high school prior to the merger of the two districts.

It was formed on 1 April 1974, under the Local Government Act 1972, by the merger of the urban districts of Ashington, Bedlingtonshire and Newbiggin-by-the-Sea.

The district was formed by the merger of the rural districts of Clun and Bishop's Castle and Ludlow in 1974, under the Local Government Act 1972.

It continued as Palenville's school until 1977, when the Catskill Central School District was created from the merger of the small rural districts in the area.