1557 in Sweden

Events from the year 1557 in Sweden

Incumbents

 * Monarch – Gustav I

Events

 * 2 April - Treaty of Novgorod (1557)
 * - The Duchy of Prince John is expanded.
 * 7 September - Duke Magnus is granted a Duchy.
 * - Crown Prince Eric is granted Kalmar as a fief and is installed there as governor.
 * - Gustav Vasa writes his testimony. The son Magnus receives parts of Götalandskapen, Närke, Småland and all of Dalsland as a hereditary duchy.

Births

 * Date unknown - Olaus Martini, archbishop (died 1609)

Deaths

 * 1 August - Olaus Magnus, writer and ecclesiastic (born 1490)
 * 1 April - Mikael Agricola, Protestant reformer of Finland  (born 1510)