The Treaty of Kalmar (1397–1523) was a treaty that united the three Scandinavian kingdoms of Sweden, Denmark and Norway. It was signed on 25 September 1397 between representatives of the three kingdoms and established the Kalmar Union where all three realms were ruled by one monarch.
The Treaty of Kalmar (1397–1523) was a pact that amalgamated the three Scandinavian kingdoms of Sweden, Denmark and Norway. It was signed on 25 September 1397 by representatives of the three realms and established the Kalmar Union where all three territories were governed by one monarch.