This year marks King Carl XVI Gustaf's 50 years as Sweden's head of state. The King ascended the throne on September 15, 1973. As a celebration of the King's 50th anniversary on the throne, King Carl Gustaf and Queen Silvia are paying visits to Sweden's 21 counties. On August 17, King Carl Gustaf and Queen Silvia visited Dalarna county. The King and Queen also visited a photo exhibition at Dalarna Museum in Falun.