The coat of arms was approved on 2 May 1986.

The coat of arms was approved on 2 July 1929.

The coat of arms was approved on 19 April 1924.

The coat of arms was approved on 28 May 1924.

The coat of arms was approved by the county on 10 July 2008.

The coat of arms was approved on 27 June 1928.

The coat of arms was approved on 21 April 2011.

The coat of arms was approved on 2 March 1921.

The coat of arms was approved on 5 March 1929.

The coat of arms was approved on 24 April 1974.