Lubomirski's rebellion
rebellion in Poland
Lubomirski's rebellion (Polish: rokosz Lubomirskiego), was a rebellion against Polish King John II Casimir that was initiated by Jerzy Sebastian Lubomirski, a member of the Polish nobility.
From 1665 to 1666, Lubomirski's supporters paralyzed the proceedings of the Sejm. Lubomirski, with the support of part of the army and the conscripted pospolite ruszenie, defeated royal forces at the Battle of Matwy in 1666. The rebellion ended with the Agreement of Łęgonice, which forced the King to give up his planned reforms like the introduction of vivente rege royal elections. Lubomirski, now a broken man, died soon afterward.
Background
The mid-17th century was one of the most tragic and difficult periods in the history of the Polish–Lithuanian Commonwealth. The country was devastated by several wars, such as the Khmelnytsky Uprising and the Swedish invasion of Poland. Its international position was weakened, and the chaos was deepened by the ill-functioning system of nobles' democracy (see szlachta privileges, Golden Liberty). In 1652, a Lithuanian deputy, Wladyslaw Sicinski, for the first time in Polish history used the liberum veto in the Sejm to stop a bill that was about to be introduced. The country was riven by internal conflicts among the magnates, and its central institutions did not function.
“Lubomirski's rebellion” enters the record as rebellion in Poland. Crown Archives preserves that source wording while asking what Lubomirski's, rebellion and Poland can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Nov 5, 2025. The linked authority identifier is Q1872868. The Library of Congress control number is sh85104050. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1665, 1666 and 1652.
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This entry incorporates text from “Lubomirski's rebellion” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.