Stock Photo - The cities of Berlin and Cologne swear allegiance to Frederick I, 15th century. Frederick, 1371 - 1440. Last Burgrave of Nuremberg from 1397 to 1427 (as Frederick VI), Margrave of Brandenburg-Ansbach from 1398, Margrave of Brandenburg-Kulmbach from 1420, and Elector of Brandenburg (as Frederick I) from 1415 - 1440. From Hutchinson's History of the Nations, published 1915.

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