Kalmar Union

1397-1523800,000 km2Margaret I

RegionScandinavia

Period1397-1523

Peak Size800,000 km2

Founded ByMargaret I

About Kalmar Union

United Denmark, Norway, and Sweden under one monarch. Queen Margaret I was the real power behind it. Lasted 126 years before Sweden broke away under Gustav Vasa. Denmark and Norway remained united until 1814. A precursor to modern Nordic cooperation.

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