# John II Casimir elected (1648)

URL: https://poland-history.com/timeline/1648-john-ii-casimir-elected
Location: Kraków
Categories: ruler-change

Władysław IV's brother John Casimir was elected amid the crisis of the uprising. 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 (1648), the governing authority was John II Casimir Vasa (King of Poland). Reigned through the Khmelnytsky Uprising and the Swedish Deluge before abdicating in 1668. John II Casimir elected 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
John II Casimir elected mattered because succession and legitimacy shaped alliances, institutions and the direction of state policy.

Ruler at the time: [John II Casimir Vasa](https://poland-history.com/rulers/john-ii-casimir-vasa)

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