| − | The history of the Duchy of Prussia before 1618 is complicated, too. The area, which laid outside of the [[German Empire]], was conquered by the Teutonic Knights, who followed an invitation of the [[Masovia]]n Duke Konrad I. in 1226. Western Prussia became part of Poland in 1466, while Eastern Prussia stayed with the Teutonic Knights, who moved the capital to [[Koenigsberg]]. In 1525, the Grand Master Albrecht von Brandenburg-Ansbach became Lutheran and secularised Eastern Prussia, in effect making it a duchy for his family. | + | The history of the Duchy of Prussia before 1618 is complicated, too. The area, which laid outside of the [[First Reich]], or [[Holy Roman Empire of the German Nation]], was conquered by the Teutonic Knights, who followed an invitation of the [[Masovia]]n Duke Konrad I. in 1226. Western Prussia became part of Poland in 1466, while Eastern Prussia stayed with the Teutonic Knights, who moved the capital to [[Koenigsberg]]. In 1525, the Grand Master Albrecht von Brandenburg-Ansbach became Lutheran and secularised Eastern Prussia, in effect making it a duchy for his family. |