# Sigismund I the Old becomes King (1506)

URL: https://poland-history.com/timeline/1506-sigismund-i-the-old-becomes-king
Location: Kraków
Categories: ruler-change

Sigismund I, the last surviving son of Casimir IV, succeeded to both Poland and Lithuania. 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 (1506), the governing authority was Sigismund I the Old (King of Poland). Presided over the Polish Renaissance, received the Prussian Homage in 1525 and married Bona Sforza. Sigismund I the Old becomes King 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
Sigismund I the Old becomes King mattered because succession and legitimacy shaped alliances, institutions and the direction of state policy.

Ruler at the time: [Sigismund I the Old](https://poland-history.com/rulers/sigismund-i-the-old)

## Sources
- [Wikipedia — Sigismund I the Old](https://en.wikipedia.org/wiki/Sigismund_I_the_Old)
- [Encyclopaedia Britannica topic lookup — Sigismund I the Old becomes King](https://www.britannica.com/search?query=Sigismund+I+the+Old+becomes+King)
- [Wikipedia — Jagiellonian dynasty (period overview)](https://en.wikipedia.org/wiki/Jagiellonian_dynasty)