|Covid-19|Monarch – Christina
- Battle of Schweidnitz.
23 October - Battle of Breitenfeld (1642), the Second Battle of Breitenfeld, also known as the First Battle of Leipzig, was a decisive victory for the Swedish army under the command of Field Marshal Lennart Torstenson over an Imperial Army of the Holy Roman Empire under the command of Archduke Leopold Wilhelm of Austria and his deputy, Prince-General Ottavio Piccolomini, Duke of Amalfi.
- The Beggar regulation of 1642 regulates the Swedish poor relief until the Poor Care Law of 1847.
5 November - Nils Gyldenstolpe (1642–1709), count, official and diplomat (died 1709)
- Anna Agriconia Åkerhielm, writer and traveller (died 1698)
- Simon de la Vallée, French-Swedish architect (died 1590)
1642 in Sweden Wikipedia
Events from the year 1642 in Sweden