### Formation of Kalmar Union **Date**: June 17, 1397 • **Location**: København, Denmark The kingdoms of Denmark, Sweden, and Norway formed the Kalmar Union, a personal union under Eric of Pomerania. The Kalmar Union was a personal union in Scandinavia, agreed at Kalmar in Sweden as designed by Queen Margaret I of Denmark. From 1397 to 1523, it joined under a single monarch the three kingdoms of Denmark, Sweden, and Norway, together with Norway's maritime colonies.

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