Frederick William, Elector of Brandenburg (died 1688)

Frederick William, Elector of Brandenburg

Elector of Brandenburg from 1640 to 1688

Frederick William was Elector of Brandenburg and Duke of Prussia, thus ruler of Brandenburg-Prussia, from 1640 until his death in 1688. A member of the House of Hohenzollern, he is popularly known as "the Great Elector" because of his military and political achievements.…