1657 in Sweden

Events from the year 1657 in Sweden

Incumbents

 * Monarch – Charles X Gustav

Events

 * June 1 – Dano-Swedish War (1657–1658): King Frederick III of Denmark signs a manifesto de facto declaring war on Sweden.
 * July - The Stockholms Banco is opened.
 * July 8 - Battle of Walk
 * August 17 - Battle of Dirschau

Births

 * - Ebba Maria De la Gardie, poet and singer  (died 1697)

Deaths

 * May 5 - Anders Eriksson Hästehufvud, officer (born 1577)
 * May 10 - Gustav Horn, Count of Pori, politician (born 1592)
 * September 7 - Arvid Wittenberg, count, field marshal and privy councillor (born 1606)
 * December 5 - Johan Oxenstierna, politician (born 1611)
 * Stormor i Dalom, vicars wife and local profile (born 1594)