[County Seal, Prince George&#x27;s County, Maryland]Origin: Prince George&#x27;s was erected from Calvert and Charles counties in 1695 (Chapter 13, Acts of 1695, May Session). The County was named for Prince George of Denmark (1653-1708), who was the brother of Christian V (1646-1699), king of Denmark and Norway. Prince George was the husband of Queen Anne (1665-1714), who ruled Great Britain and Ireland from 1702 to 1714.