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Duchy of Brieg

Duchy of Brzeg
Księstwo Brzeskie (pl)
Herzogtum Brieg (de)
Silesian duchy
1311 – 1675
Coat of arms
Coat of arms
Silesian duchies 1312-1317: Duchy of Brzeg in light grey
Capital Brzeg
Political structure Silesian duchy
Historical era Middle Ages
Early modern period
 •  Partitioned from Legnica 1311
 •  Vassalized by Bohemia 1329
 •  Inheritance treaty
    with Brandenburg
1537
 •  Seized by Habsburg 1675
 •  Annexed by Prussia 1742
Preceded by
Succeeded by
Duchy of Wrocław Duchy of Silesia
Kingdom of Bohemia Kingdom of Bohemia
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The Duchy of Brzeg (Polish: Księstwo Brzeskie) or Duchy of Brieg (German: Herzogtum Brieg), (Czech: Knížectví Břežské) was one of the Duchies of Silesia, created in 1311 during the fragmentation of the Duchy of Wrocław. A Bohemian fief from 1329, it was ruled by the Silesian Piasts until their extinction in 1675. Its capital was Brzeg in Lower Silesia.

When the Piast duke Henry V of Wrocław and Legnica died in 1296, his sons and heirs were still minors and his estates were ruled by their uncle Duke Bolko I the Strict of Świdnica, succeeded by their maternal uncle King Wenceslaus II of Bohemia in 1301 and by the Wrocław bishop Henryk z Wierzbnej in 1305. Finally in 1311, Henry's bequests were divided among his sons: Bolesław III the Generous, the eldest brother, received the southeastern lands around Brzeg and Grodków.

Soon after however, Bolesław insisted on his rights as the firstborn son and ousted his younger brother Władysław from the Duchy of Legnica. He maintained good relations with his brother-in-law, the Luxembourg king John of Bohemia, and declared himself a Bohemian vassal in 1329.


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