Prussian Tribut

During the Reformation endemic religious upheavals and wars occurred, and in 1525, the last Grand Master of the Teutonic Knights, Albert of Prussia, a member of a cadet branch of the house of Hohenzollern, resigned his position, became a Protestant and received the title "Duke of Prussia" from the Polish king Sigismundus I the Elder in th act called Prussian Tribut. In a deal partially brokered by Martin Luther (under imperial ban since 1521), Ducal Prussia became the first Protestant state, along the lines of the later religious Peace of Augsburg.