Duchy of Łęczyca (Polish: Księstwo łęczyckie) was one of the duchies of Poland. It was created around 1231 from Province of Łęczyca, a part of the Seniorate...
3 KB (133 words) - 22:35, 13 March 2024
Polish–Lithuanian Commonwealth. The Prince-Bishopric of Warmia (Polish: Biskupie Księstwo Warmińskie,) was a semi independent ecclesiastical state, ruled by the...
39 KB (4,073 words) - 06:42, 4 August 2024
(województwo pomorskie, Gdańsk) Duchy of Warmia (Księstwo Warmińskie, Lidzbark Warmiński) Duchy of Prussia (Księstwo Pruskie, Królewiec) Płock Voivodeship (województwo...
52 KB (2,350 words) - 20:27, 16 August 2024