Denmark (/ˈdɛnmɑːrk/; Danish: Danmark [ˈd̥ænmɑɡ̊] ) is a Scandinavian country with territory in Europe and North America. The most populated part of the country is south-west of Sweden and south of Norway.The unified kingdom of Denmark emerged in the 10th century as a proficient seafaring nation in the struggle for control of the Baltic Sea. Denmark, Sweden and Norway were ruled together under the Kalmar Union, established in 1397 and ending with Swedish secession in 1523. Denmark and Norway remained under the same monarch until outside forces dissolved the union in 1814.