title: 1550 in Sweden
text: # 1550 in Sweden
  
  Events from the year 1550 in Sweden
  
  ## Incumbents
  
  * King – Gustav I
  
  ## Events
  
  * 12 June - Foundation of Helsingfors, now the Helsinki, the capital of Finland.
  * - The witch trial against Lasses Birgitta, referred to as the first execution for witch craft in Sweden.
  
  ## Births
  
  * 4 October - Charles IX of Sweden, king (1604-1611) of Sweden (died 1611).
  * 6 November - Karin Månsdotter royal mistress and queen (died 1612).
  * Date unknown - Nicolaus Olai Bothniensis, archbishop (died 1600).
  
  ## Deaths
  
  * Unknown date - Lasses Birgitta, alleged witch
  