Frederick William III of Prussia (born 1770)

Frederick William III was King of Prussia from 16 November 1797 until his death in 1840. He was concurrently Elector of Brandenburg in the Holy Roman Empire until 6 August 1806, when the empire was dissolved.

June 7 is the 158th day of the year in the Gregorian calendar; 207 days remain until the end of the year.