The Duchies of Silesia were the more than twenty divisions of the region of Silesia formed between the 12th and 14th centuries by the breakup of the Duchy of Silesia, then part of the Kingdom of Polan
1172/3-1177 Bolesław I Jarosław Mieszko I
1177-1185 Bolesław I Jarosław Mieszko I Konrad
1185-1201 Bolesław I Jarosław Mieszko I
1201-1202 Henry I Mieszko I
The Duchy of Opole and Racibórz was one of the numerous Duchies of Silesia ruled by the Silesian branch of the royal Polish Piast dynasty. It was formed in 1202 from the union of the Upper Silesian du
The Piast Tower in Opole, the last remaining part of the Piast Castle, the residence of the dukes of Opole and Racibórz