It was established by a decree of 22 November 1935.

The current structure of the educational system was established by decree in 1994.

It was established on 5 February 1958 by a decree of the national government.

It was established by a decree on February 11, 1976.

It was established by a decree issued on May 25, 1975.

It was established on 8 October 1999 by presidential decree № 1299.

A municipal government was established by decree on April 8, 1844.

It was established by presidential decree on 5 October 1996.

It was established on 22 October 1956 by a presidential decree.

The canton was established by a decree of May 28, 1885.