# Saint Casimir

> Polish and Lithuanian prince (1458–1484)

**Wikidata**: [Q312057](https://www.wikidata.org/wiki/Q312057)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Saint_Casimir)  
**Source**: https://4ort.xyz/entity/saint-casimir

## Summary
Saint Casimir was a Polish and Lithuanian prince born in 1458 and deceased in 1484. He is primarily remembered as a patron saint of Poland and Lithuania, with numerous churches and chapels dedicated to him across the region. His legacy is tied to his role as a royal figure and the religious institutions that bear his name.

## Biography
- Born: October 3, 1458
- Nationality: Polish, Lithuanian
- Education: Not specified in the source material
- Known for: Establishing churches and chapels in Poland and Lithuania
- Employer(s): Grand Duchy of Lithuania (as a prince)
- Field(s): Royalty, religious patronage

## Contributions
Saint Casimir is known for founding or patronizing several churches and chapels, including:
- **St. Kazimierz Church** in Warsaw, Poland (1692)
- **Church of St. Casimir, Naujoji Vilnia** in Lithuania (1908)
- **Saint Casimier chapel, Ružany** in Belarus (1792)
- **Chapel of Saint Casimir** in Vilnius Cathedral (1636)
- **Church of St. Casimir, Vilnius** (1604)
- **Church of St. Casimir, Pavoverė** in Lithuania

These religious institutions were built in his honor, reflecting his role as a saint and the cultural significance of his name.

## FAQs
**Where is Saint Casimir buried?**
The source material does not specify his burial location.

**What was Saint Casimir's occupation?**
He was a prince in the Grand Duchy of Lithuania and Poland.

**Are there any notable works by Saint Casimir?**
No specific works are mentioned in the source material.

**How is Saint Casimir remembered today?**
He is remembered through numerous churches and chapels named in his honor across Poland, Lithuania, and Belarus.

**Was Saint Casimir involved in any political movements?**
The source material does not mention political activities.

## Why They Matter
Saint Casimir's legacy endures through the religious institutions named after him, which serve as cultural and spiritual landmarks in Poland, Lithuania, and Belarus. His patronage of churches and chapels reflects the importance of his name in the region's history. These structures continue to be places of worship and historical significance, preserving his memory.

## Notable For
- Founded or patronized multiple churches and chapels across Poland, Lithuania, and Belarus.
- His name is associated with religious institutions that remain active today.
- Served as a prince in the Grand Duchy of Lithuania, contributing to royal lineage.

## Body
### Early Life and Royal Role
Saint Casimir was born on October 3, 1458, and died on March 4, 1484. He was a prince in the Grand Duchy of Lithuania, a region that later became part of Poland. His royal status placed him in a position of influence, though specific details about his early life or political activities are not provided in the source material.

### Religious Patronage
Saint Casimir is best known for his role in establishing or supporting religious institutions. Several churches and chapels bear his name, including:
- **St. Kazimierz Church** in Warsaw, Poland (1692)
- **Church of St. Casimir, Naujoji Vilnia** in Lithuania (1908)
- **Saint Casimier chapel, Ružany** in Belarus (1792)
- **Chapel of Saint Casimir** in Vilnius Cathedral (1636)
- **Church of St. Casimir, Vilnius** (1604)
- **Church of St. Casimir, Pavoverė** in Lithuania

These structures were built in his honor, reflecting his status as a saint and the cultural significance of his name in the region.

### Legacy and Influence
Saint Casimir's legacy is tied to the religious institutions that bear his name. These churches and chapels continue to be places of worship and historical landmarks, preserving his memory. His patronage of religious buildings highlights the importance of his name in the history of Poland, Lithuania, and Belarus.

### Notable Connections
Saint Casimir's name is linked to several notable locations, including:
- **Holy Cross Church, Lviv** in Ukraine
- **Church of St. Casimir the Prince** in Kraków, Poland

These connections further emphasize his cultural and religious impact.

### Cultural and Historical Significance
Saint Casimir's name remains significant in the cultural and religious history of Poland, Lithuania, and Belarus. The churches and chapels dedicated to him serve as reminders of his legacy and the enduring importance of his royal and spiritual role.

## References

1. Integrated Authority File
2. The Peerage
3. [Source](https://bs.sejm.gov.pl/F?func=find-acc&acc_sequence=000031119&find_code=SYS&local_base=ARS10)
4. Virtual International Authority File
5. GCatholic.org
6. GeneaStar
7. Internetowy Polski Słownik Biograficzny
8. Gran Enciclopèdia Catalana
9. Freebase Data Dumps. 2013
10. Calendarium Romanum Generale (1969)
11. santiebeati.it
12. CERL Thesaurus
13. [Source](https://encyklopedia.pwn.pl/haslo/Kazimierz-Jagiellonczyk;3921455.html)
14. Sejm-Wielki.pl