# Treaty of Stuhmsdorf (1635)

URL: https://poland-history.com/timeline/1635-treaty-of-stuhmsdorf
Location: Sztumska Wieś

Władysław IV negotiated the return of the Prussian ports that Sweden had held since Altmark. The treaty extended the truce for twenty-six years without further fighting. Within the broader Polish–Lithuanian Commonwealth period: The Commonwealth of Both Nations elected its kings and prized noble liberty and religious tolerance. It won famous victories but was weakened by wars with Sweden, Russia, the Ottomans and the Cossacks, and by political paralysis. At this point in the timeline (1635), the governing authority was Władysław IV Vasa (King of Poland). Victor of the Smolensk War whose reign was a period of relative peace before the Cossack uprising. Treaty of Stuhmsdorf mattered because its terms redrew borders or alliances and constrained Poland's options for years to come. 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
Treaty of Stuhmsdorf mattered because its terms redrew borders or alliances and constrained Poland's options for years to come.

Ruler at the time: [Władysław IV Vasa](https://poland-history.com/rulers/wladyslaw-iv-vasa)

## Sources
- [Wikipedia — Treaty of Stuhmsdorf](https://en.wikipedia.org/wiki/Treaty_of_Stuhmsdorf)
- [Encyclopaedia Britannica topic lookup — Treaty of Stuhmsdorf](https://www.britannica.com/search?query=Treaty+of+Stuhmsdorf)
- [Wikipedia — Polish–Lithuanian Commonwealth (period overview)](https://en.wikipedia.org/wiki/Polish%E2%80%93Lithuanian_Commonwealth)