HISTORIC TIMELINE
1397Formation of the Kalmar Union
Sweden joined with Norway and Denmark to form the Kalmar Union.
1523Sweden Leaves the Kalmar Union
Sweden officially exited the Kalmar Union, regaining its independence.
1618Sweden Enters the Thirty Years' War
Sweden became involved in the Thirty Years' War on the Protestant side.
1814Personal Union with Norway
Sweden forced Norway into a personal union by military means.
1905Dissolution of the Union with Norway
The personal union between Sweden and Norway officially ended.
1995Sweden Joins the European Union
Sweden became a member of the European Union on January 1.
2024Sweden Joins NATO
Sweden officially became a member of NATO on March 7.