# Casimir II the Just

_High Duke of Poland (1138-1194)_

Canonical: https://diginpl.com/people/casimir-ii-the-just
Last updated: 2026-11-08

> Casimir II the Just was Duke of Wiślica in Lesser Poland from 1166 to 1173, and Duke of Sandomierz from 1173 onward. In 1177, he became ruler of the Polish Seniorate Province at Kraków and thereby High Duke of Poland — a position he held until his death, though briefly interrupted by his elder brother and predecessor, Mieszko III.

## Quick facts

- **Born:** 1138 ([Wikidata](https://www.wikidata.org/wiki/Q53456#P569))
- **Place of birth:** Kraków ([Wikidata](https://www.wikidata.org/wiki/Q53456#P19))
- **Died:** 5 May 1194 ([Wikidata](https://www.wikidata.org/wiki/Q53456#P570))
- **Place of death:** Kraków ([Wikidata](https://www.wikidata.org/wiki/Q53456#P20))
- **Citizenship:** Poland ([Wikidata](https://www.wikidata.org/wiki/Q53456#P27))
- **Occupation:** politician ([Wikidata](https://www.wikidata.org/wiki/Q53456#P106))
- **Spouse:** Helen of Znojmo ([Wikidata](https://www.wikidata.org/wiki/Q53456#P26))
- **Positions held:** Duke of Masovia (1186–1194); King of Poland ([Wikidata](https://www.wikidata.org/wiki/Q53456#P39))

## Questions

**When was Casimir II the Just born?**  
Casimir II the Just was born on 1138 in Kraków.

**What positions has Casimir II the Just held?**  
Positions held by Casimir II the Just include: Duke of Masovia (1186–1194); King of Poland.

## Related

- [Konrad I of Masovia](https://diginpl.com/people/konrad-i-of-masovia)
- [Bolesław IV the Curly](https://diginpl.com/people/bolesaw-iv-the-curly)
- [John of Bohemia](https://diginpl.com/people/john-of-bohemia)
- [Mieszko II Lambert](https://diginpl.com/people/mieszko-ii-lambert)
- [Sigismund III Vasa](https://diginpl.com/people/sigismund-iii-vasa)
- [Augustus II the Strong](https://diginpl.com/people/augustus-ii-the-strong)
- [Augustus III of Poland](https://diginpl.com/people/augustus-iii-of-poland)
- [Bolesław I the Brave](https://diginpl.com/people/bolesaw-i-the-brave)
- [Helena of Znojmo](https://diginpl.com/people/helena-of-znojmo)

## Sources

- [Wikipedia (English): Casimir II the Just](https://en.wikipedia.org/wiki/Casimir_II_the_Just) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q53456](https://www.wikidata.org/wiki/Q53456) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: Kazimierz II Sprawiedliwy (275038).jpg by Jan Matejko (Public domain)](https://commons.wikimedia.org/wiki/File:Kazimierz_II_Sprawiedliwy_(275038).jpg)

## Licence and attribution

Text from the Wikipedia article Casimir II the Just, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Kazimierz II Sprawiedliwy (275038).jpg — Jan Matejko, Public domain.

## Cite this page

"Casimir II the Just". DigiNepal. Last updated 8 November 2026. https://diginpl.com/people/casimir-ii-the-just. Retrieved 8 November 2026.