The coat of arms was granted together with the city rights.

The coat of arms were granted on 26 April 1986.

The coat of arms were granted on 22 July 1983.

The coat of arms were granted on 14 May 1952.

The coat of arms were granted on July 17, 1939.

The coat of arms were granted on June 14, 1939.

The coat of arms were granted on 6 July 1901.

The coat of arms was granted on July 21, 1970.

The coat of arms was granted on May 1, 2003.

The coat of arms was granted on 18 July 1908.