It was also expanded by merger of the surrounding villages: Nierodzim in 1974, Hermanice and Lipowiec in 1975.
The city was formed as a result of the 1967 merger of the villages of Milton and Milton Junction.
Shibayama Town was established on July 1, 1955 by the merger of the villages of Chiyoda and Nikawa.
By this time, the administrative merger of the two villages of Nockenthal and Rötsweiler had taken place.
The municipality was incorporated in 2002 by the merger of the formerly independent villages of Deschambault and Grondines.
The village was established in 1954 by the merger of the villages of Oizumi, Hongo and Azuma.
The town was created through a merger of the villages of Samizu and Mure on October 1, 2005.
Siedlce as an urban center was created after a merger of the two neighboring villages.
Sanbu Town was formed on March 1, 1955 through the merger of the villages of Mutsuoka and Hyūga.
The town was founded on March 31, 1954 from the merger of the former villages of Yamaguchi and Nakagawa.