# Casimir IV Jagiellon crowned (1447)

URL: https://poland-history.com/timeline/1447-casimir-iv-jagiellon-crowned
Location: Kraków
Categories: ruler-change

After a three-year interregnum Casimir IV, already Grand Duke of Lithuania, was crowned King of Poland. Within the broader Jagiellonian Age period: The union with Lithuania created one of Europe's largest states. Victory over the Teutonic Order, the rise of noble democracy and a brilliant Renaissance culture marked the Jagiellonian golden age. At this point in the timeline (25 June 1447), the governing authority was Casimir IV Jagiellon (King of Poland). Won the Thirteen Years' War, regaining Pomerelia and Warmia, and placed his sons on the thrones of Bohemia and Hungary. Casimir IV Jagiellon crowned mattered because succession and legitimacy shaped alliances, institutions and the direction of state policy. The event is placed here so readers can follow it alongside changes in government, warfare, society, religion and culture across Polish history.

## Why it matters
Casimir IV Jagiellon crowned mattered because succession and legitimacy shaped alliances, institutions and the direction of state policy.

Ruler at the time: [Casimir IV Jagiellon](https://poland-history.com/rulers/casimir-iv-jagiellon)

## Sources
- [Wikipedia — Casimir IV Jagiellon](https://en.wikipedia.org/wiki/Casimir_IV_Jagiellon)
- [Encyclopaedia Britannica topic lookup — Casimir IV Jagiellon crowned](https://www.britannica.com/search?query=Casimir+IV+Jagiellon+crowned)
- [Wikipedia — Jagiellonian dynasty (period overview)](https://en.wikipedia.org/wiki/Jagiellonian_dynasty)

