|Covid-19|Monarch – Sigismund
May - Sigismund III return to Sweden, and his uncle and regent Duke Charles resist him resulting in the War against Sigismund.
18 September - The Battle of Stegeborg result in victory for the Polish-Swedish unionists.
25 September - The Battle of Stångebro result in victory for the Swedish rebels under Duke Charles and the end of the union.
August 7 - Georg Stiernhielm, linguist (born 1672)
- Lars Stigzelius, archbishop (born 1676)
- Sten Svantesson Bielke, soldier and politician (born 1638)
- Åke Henriksson Tott, soldier and politician (born 1640)
10 February - Anne of Austria, Queen of Poland, queen consort (born 1573)
1598 in Sweden Wikipedia
Events from the year 1598 in Sweden