14 April - Battle of Chemnitz took place near the town of Chemnitz, in what is now eastern Germany, during the Thirty Years' War. Swedish forces under Johan Banér inflicted a crushing defeat on Rodolfo Giovanni Marazzino who commanded the Saxons and an Imperial detachment.
- Hjälmare kanal taken in to use.
- Case of Anna von Hintzen, a noble who flees Sweden to escape arrest of the murder of her servant
Births
5 January - Otto Wilhelm Königsmarck, military officer (died 1688)
- Märta Berendes, courtier and diary writer (died 1717)
