Northern War of 1655–1660

Conflict in Europe

The Northern War of 1655–1660 was fought between the Swedish Empire and the Polish–Lithuanian Commonwealth, with participation at different times by Russia, Brandenburg-Prussia, the Habsburg monarchy, and Denmark–Norway. It ended with the treaties of Copenhagen and Oliva in 1660. In 1655, Charles X took advantage of the Russo-Polish War (1654–67) to over-run western Poland.

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