# Polish–Swedish War begins (1600)

URL: https://poland-history.com/timeline/1600-polish-swedish-war-begins
Location: Livonia
Categories: battle

Sigismund's claim to the Swedish throne led to a long war with Sweden over Livonia. 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 (1600), the governing authority was Sigismund III Vasa (King of Poland). Also King of Sweden (1592–1599); moved the royal residence to Warsaw and pursued war with Sweden and Muscovy. Polish–Swedish War begins mattered because it changed the military or territorial balance and influenced the political choices that followed. 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
Polish–Swedish War begins mattered because it changed the military or territorial balance and influenced the political choices that followed.

Ruler at the time: [Sigismund III Vasa](https://poland-history.com/rulers/sigismund-iii-vasa)

## Sources
- [Wikipedia — Polish–Swedish War (1600–1611)](https://en.wikipedia.org/wiki/Polish%E2%80%93Swedish_War_(1600%E2%80%931611))
- [Encyclopaedia Britannica topic lookup — Polish–Swedish War begins](https://www.britannica.com/search?query=Polish%E2%80%93Swedish+War+begins)
- [Wikipedia — Polish–Lithuanian Commonwealth (period overview)](https://en.wikipedia.org/wiki/Polish%E2%80%93Lithuanian_Commonwealth)

