Bohemian Revolt

The 1618–1620 uprising of Bohemian Protestant estates against Habsburg rule. Its defeat ended the Bohemian Estates’ revolt and helped trigger the Thirty Years’ War.

Defenestration of Prague: The 1618 throwing of two Habsburg officials and their secretary from a Prague Castle window by Protestant nobles. The incident that launched the revolt by turning disputes over royal authority into open rebellion.
Letter of Majesty: A 1609 charter by Emperor Rudolf II granting religious freedoms to Bohemian Protestants. Disputes over its protections helped convince Protestant estates that Habsburg rule threatened their rights.
Thirty Years' War: A series of conflicts fought in central Europe from 1618 to 1648 over dynastic power, territory, and religion. The Bohemian uprising opened the first phase of this broader conflict.
Dutch Revolt: The long revolt of the Low Countries against Spanish Habsburg rule, beginning in 1568. Unlike the Bohemian uprising, it sustained resistance long enough to establish an independent republic.
Bohemian Estates: The representative assembly of Bohemian nobles, clergy, and towns that negotiated taxation and political rights with the monarch. Their leaders organized resistance and asserted the kingdom’s right to choose its ruler.
Habsburg monarchy: The dynastic composite monarchy that ruled territories across central Europe from the late Middle Ages to 1918. The revolt challenged Habsburg authority in one of its central kingdoms.
Execution of the Bohemian Revolt leaders: The 1621 public execution in Prague of 27 leaders convicted after the Bohemian uprising. The executions made the Habsburg victory a public warning against further resistance.
Upper Austrian Peasants' War: A 1626 uprising of Protestant peasants against Bavarian occupation and Catholic reforms in Upper Austria. It shows how Habsburg religious and political pressure provoked revolt beyond Bohemia.
Frederick V of the Palatinate: The Calvinist elector who accepted the Bohemian crown in 1619 and ruled until his defeat in 1620. His election gave the revolt a king and widened its confrontation with the Habsburgs.
Counter-Reformation: Catholic reform and institutional renewal that also sought to restore Catholic authority in territories shaped by Protestantism. Habsburg efforts to strengthen Catholicism intensified confessional tensions in Bohemia.

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