Casimir II the Just

High Duke of Poland (1138-1194)
Person human Q53456
Casimir II the Just
Jan Matejko · Public Domain · Wikimedia
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Casimir II the Just

Summary

Casimir II the Just is a human[1]. His place of birth was Kraków[2]. He was born on January 1, 1138[3]. He passed away in Kraków[4]. He died on May 5, 1194[5]. He worked as a politician[6]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (147 views/month, #7,220 of 1,000,298).[7]

Key Facts

  • Casimir II the Just's place of birth was Kraków[2].
  • Casimir II the Just died in Kraków[4].
  • Casimir II the Just was born on January 1, 1138[3].
  • Casimir II the Just died on May 5, 1194[5].
  • Casimir II the Just is buried at Wawel Cathedral[8].
  • Casimir II the Just's father was Bolesław III Wrymouth[9].
  • Casimir II the Just's mother was Salomea of Berg[10].
  • Casimir II the Just was married to Helen of Znojmo[11].
  • A child of Casimir II the Just was Maria of Poland[12].
  • A child of Casimir II the Just was Adelaide of Poland[13].
  • A child of Casimir II the Just was Leszek I the White[14].
  • A child of Casimir II the Just was Konrad I of Masovia[15].
  • Casimir II the Just held citizenship in Poland[16].
  • Casimir II the Just worked as a politician[6].
  • Casimir II the Just held the position of King of Poland[17].
  • Casimir II the Just held the position of Duke of Masovia[18].
  • Casimir II the Just is recorded as male[19].
  • Casimir II the Just's instance of is recorded as human[20].
  • Casimir II the Just's family is recorded as Piast dynasty[21].
  • Casimir II the Just's noble title is recorded as Duke of Poland[22].
  • Casimir II the Just's Commons category is recorded as Casimir II of Poland[23].
  • Casimir II the Just's given name is recorded as Kazimierz[24].
  • Casimir II the Just's given name is recorded as Casimir[25].
  • Casimir II the Just's significant event is recorded as posthumous birth[26].
  • Casimir II the Just's topic's main category is recorded as Category:Casimir II of Poland[27].

Body

Origins and Family

Casimir II the Just's place of birth was Kraków[2]. He was born on January 1, 1138[3]. His father was Bolesław III Wrymouth[9]. His mother was Salomea of Berg[10].

Career and Affiliations

Casimir II the Just worked as a politician[6]. Positions held include King of Poland[17], a historical position[28], in Kingdom of Poland[29], founded in 1025[30] and Duke of Masovia[18], a noble title[31], in Duchy of Masovia[32].

Personal Life

Casimir II the Just was married to Helen of Znojmo[11]. Children include Maria of Poland[12], 1164–1194[33]; Adelaide of Poland[13], 1170–1211[34]; Leszek I the White[14], a politician[35], 1186–1227[36]; and Konrad I of Masovia[15], a politician[37], 1187–1247[38], of Poland[39], specialised in nobility[40].

Death and Burial

Casimir II the Just died on May 5, 1194[5]. He died in Kraków[4]. Burial took place at Wawel Cathedral[8].

Why It Matters

Casimir II the Just ranks in the top 0.72% of human entities by monthly Wikipedia readership (147 views/month, #7,220 of 1,000,298).[7] He has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[41] He is known by 6 alternative names across languages and contexts.[42]

FAQs

Where was Casimir II the Just born?

Born in Kraków[2], Casimir II the Just…

Where did Casimir II the Just die?

Casimir II the Just died in Kraków[4].

Who were Casimir II the Just's parents?

Casimir II the Just's father was Bolesław III Wrymouth[9]. Casimir II the Just's mother was Salomea of Berg[10].

Who was Casimir II the Just married to?

Casimir II the Just's spouses include Helen of Znojmo[11].

What did Casimir II the Just do for work?

Casimir II the Just worked as politician[6].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . Foundation for Medieval Genealogy. Retrieved . fmg.ac. Provenance: wikidata.org.
  2. [4] . Foundation for Medieval Genealogy. Retrieved . fmg.ac. Provenance: wikidata.org.
  3. [19] . Catalog of the German National Library. Retrieved . wikidata.org.
  4. [9] . Catalog of the German National Library. Retrieved . wikidata.org.
  5. [10] . wikidata.org.
  6. [11] . Retrieved . wikidata.org.
  7. [16] . Catalog of the German National Library. Retrieved . wikidata.org.
  8. [20] . wikidata.org.
  9. [17] . wikidata.org.
  10. [18] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . The Peerage. Retrieved . wikidata.org.
  14. [15] . Catalog of the German National Library. Retrieved . wikidata.org.
  15. [21] . wikidata.org.
  16. [22] . wikidata.org.
  17. [6] . wikidata.org.
  18. [8] . wikidata.org.
  19. [23] . wikidata.org.
  20. [3] . Foundation for Medieval Genealogy. Retrieved . w.genealogy.euweb.cz. Provenance: wikidata.org.
  21. [5] . Foundation for Medieval Genealogy. Retrieved . w.genealogy.euweb.cz. Provenance: wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site
  10. [37] . Wikidata. wikidata.org. → on this site
  11. [38] . Wikidata. wikidata.org. → on this site
  12. [39] . Wikidata. wikidata.org. → on this site
  13. [40] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [41] . Wikidata sitelinks. wikidata.org.
  3. [42] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Casimir II the Just. Retrieved April 10, 2026, from https://4ort.xyz/entity/casimir-ii-the-just
MLA “Casimir II the Just.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/casimir-ii-the-just.
BibTeX @misc{4ortxyz_casimir-ii-the-just_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Casimir II the Just}}, year = {2026}, url = {https://4ort.xyz/entity/casimir-ii-the-just}, note = {Accessed: 2026-04-10}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 28d ago · Pescan · 2026-05-10 view diff on Wikidata ↗
    Child Maria of Poland, Adelaide of Poland, Leszek I the White +1
    Sex or gender male
    Family Piast dynasty
    Languages spoken, written or signed Polish
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P8669]]: kazimir-ii-spravodlivy"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.