Żmigród
…fragmentation of Poland, it was part of various Polish duchies of Lower Silesia: the Duchy of Silesia until 1290, the Duchy of Głogów until 1312 and the Duchy of Oleśnica afterwards, held by the Piast dynasty until 1492. In 1492, Trachenberg was elevated to an autonomous state country of the Bohemian Crown. About 1555…