# First Congress of Vienna (1515)

URL: https://poland-history.com/timeline/1515-first-congress-of-vienna
Location: Vienna

The Jagiellons and Habsburgs arranged double marriages that later brought Bohemia and Hungary to the Habsburgs. 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 (1515), 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. First Congress of Vienna mattered because diplomacy defined Poland's relations with its neighbours and the wider world. 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
First Congress of Vienna mattered because diplomacy defined Poland's relations with its neighbours and the wider world.

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

## Sources
- [Wikipedia — First Congress of Vienna](https://en.wikipedia.org/wiki/First_Congress_of_Vienna)
- [Encyclopaedia Britannica topic lookup — First Congress of Vienna](https://www.britannica.com/search?query=First+Congress+of+Vienna)
- [Wikipedia — Jagiellonian dynasty (period overview)](https://en.wikipedia.org/wiki/Jagiellonian_dynasty)