The sun reflects over thin sea ice and a few floating ice bergs near the Denmark Strait off of eastern Greenland. As seen from NASA’s P-3B aircraft on Apr. 14, 2012. Credit: NASA/Jefferson Beck

Also The unified kingdom of Denmark emerged in the 10th century as a proficient seafaring nation in the struggle for control of the Baltic Sea. Therefore Denmark, Sweden, and Norway were ruled together under one sovereign ruler in the Kalmar Union. Although established in 1397 and ending with Swedish secession in 1523. Also The areas of Denmark and Norway remained under the same monarch until 1814. And often referred to as the Dano-Norwegian Real. Although the Beginning in the 17th century, there were several devastating wars with the Swedish Empire. Therefore ending with large cessions of territory to Sweden.  Norway was ceded to Sweden, while Denmark kept the Faroe Islands.

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