Milloin Tukholman linna rakennettiin?
Tre Kronor (, "Three Crowns") was a castle located in Stockholm, Sweden, on the site where Stockholm Palace is today. It is believed to have been a citadel that Birger Jarl built into a royal castle in the middle of the 13th century. The name "Tre Kronor" is believed to have been given to the castle during the reign of King Magnus IV in the middle of the 14th century.
13th century