This template is created for better reading and work with Duchies of Silesia. Group 1 is original Duchy of Silesia, group 2 is for duchies in Lower Silesia, group 3 for duchies in Upper Silesia. Group 4 is for other - Duchy of Upper and Lower Silesia was Austrian Silesia, Klodsko was part of Bohemia proper and Duchy of Siewierz was in Poland, although was part of Silesia. --Yopie (talk) 23:32, 25 August 2009 (UTC)

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