Duchy of Oels
Duchy of Oleśnica | |||||||||
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| 1313–1884 | |||||||||
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Silesia 1312-1317: Creation of the Duchy of Olésnica (blue, north) for Bolesław in 1313 | |||||||||
| Status | District duchy of Poland Silesian duchy Fief of the Bohemian Crown (1329–1480, 1490–1742) Fief of Hungary (1480–1490) Part of Prussia (from 1742) | ||||||||
| Capital | Oleśnica | ||||||||
| Historical era | Middle Ages Early modern period | ||||||||
• Partitioned from Głogów | 1313 | ||||||||
• Vassalized by Bohemia | 1329 | ||||||||
• Bierutów split off | 1412 | ||||||||
• Vassal of Hungary | 1480 | ||||||||
• Vassal of Bohemia | 1490 | ||||||||
• Henry of Poděbrady duke | 1495 | ||||||||
• Silvius Nimrod of Württemberg duke | 1649 | ||||||||
• Frederick Augustus of Brunswick duke | 1792 | ||||||||
• Disestablishment | 1884 | ||||||||
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| Today part of | Poland | ||||||||
The Duchy of Oleśnica (Polish: Księstwo Oleśnickie, Latin: Ducatus Olsnensis) or Duchy of Oels (German: Herzogtum Oels) was one of the duchies of Silesia with its capital in Oleśnica in Lower Silesia, Poland. Initially ruled by the Silesian Piasts, it was acquired by the Münsterberg (Ziębice) dukes of the Podiebrad family from 1495 and was inherited by the House of Württemberg in 1649. Conquered by Prussia in 1742, it was enfeoffed to the Welf dukes of Brunswick-Lüneburg from 1792 until its dissolution in 1884.