Duchy of Siewierz

The Duchy Siewierz (Polish Księstwo Siewierskie; Czech Seveřské knížectví; Latin Ducatus Severiensis ) originated in 1330 by dividing the Silesian Duchy of Bytom, which was ruled by the Silesian Piast dynasty. Residence of the Dukes was the city Siewierz.

1337 sold Duke Vladislav II of Bytom - Cosel the Duchy of Teschen the Duke Casimir I, in whose descendants it remained until 1443.

1443 Duke Wenceslas I sold it for 6000 Silbergroschen the Bishop of Cracow, Zbigniew Oleśnicki. Also under his successors remained Siewierz owned by the Bishops of Krakow.

The country had its own laws, finances and its own army. Only in 1790 it was formally annexed by the Sejm of the Kingdom of Poland - Lithuania and was a province equal. In the course of the Third Partition of Poland it came to Prussia in 1795 in the newly created province Neuschlesien, whose capital was Siewierz. 1800, the city lost its status as a bishop's residence.

1807, the duchy was partly restored as a gift from Napoleon to his Marshal Jean Lannes. After the Congress of Vienna it became part of Congress Poland and the area has since divided the history of the Russian part of Poland. The title of Duke of Siewierz led the Krakow bishops until 1951, Adam Stefan Sapieha last.

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