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Casimir II
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Casimir II

duke of Poland
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Also known as: Casimir the Just, Kazimierz Sprawiedliwy
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Article History
Quick Facts
Byname:
Casimir the Just
Polish:
Kazimierz Sprawiedliwy
Born:
1138
Died:
May 5, 1194
Also Known As:
Casimir the Just
Kazimierz Sprawiedliwy
House / Dynasty:
Piast dynasty
Notable Family Members:
brother Mieszko III
See all related content

Casimir II (born 1138—died May 5, 1194) was the duke of Kraków and of Sandomierz from 1177 to 1194. A member of the Piast dynasty, he drove his brother Mieszko III from the throne and spent much of his reign fighting him. Mieszko actually regained power briefly in 1190–91, retaking Kraków. Casimir became Poland’s most powerful ruler and, at the Congress of Lenczyca (1180) was so recognized by the nobility and clergy, who, in exchange for privileges, vested hereditary rights in his descendants. He was succeeded by his son Leszek I, who spent years in battle against other claimants.

This article was most recently revised and updated by Encyclopaedia Britannica.