11 February – Danish forces attack the Swedish army at the Battle of Vittsjö, forcing the army to flee north from Scania.
21 February – The Battle of Skillingehed takes place in Halland between the Swedish army and forces led by Christian IV. Christian Barnekow famously sacrifices his life to save King Christian IV's.[1]
26 August – A Norwegian peasant militia is ambushed by Scottish mercenaries at the Battle of Kringen as part of the Kalmar War.
Undated
Johanne Thomes is accused of witchcraft as part of the Køge Huskors witch trials.