|Covid-19|Monarch – Eric XIV
February - Sweden pillage the Danish provinces of Jämtland, Härjedalen and Trondheim.
19 February - Armistice between Sweden and Denmark in Swedish Estonia.
30-31 May - First battle of Öland (1564)
14 August – Swedish siege of Lyckå in Blekinge.
14 August - Action of 14 August 1564
24 August - Lyckå taken by the Swedes.
4 September - Sweden takes Danish Ronneby and creates a massacre on its inhabitants called Ronneby blodbad (Ronneby Bloodbath).
June - Wedding between Princess Cecilia of Sweden and Christopher II, Margrave of Baden-Rodemachern.
27 September – Lyckås and Avaskär are burned by the Swedes who then evacuate Blekinge.
11–13 October – Danish attack on Kalmar repelled.
21 November – Peace treaty between Sweden and Russia, to last for seven years.
25 September - Magnus Brahe (1564–1633), Lord High Constable and Lord High Steward of Sweden (died 1633)
1564 in Sweden Wikipedia
Events from the year 1564 in Sweden