Denmark

Denmark is a nation-state on the European continent on Earth. Copenhagen is its most populous city and capital.

The Danes comprised part of the group known in ancient Earth history as the Vikings.

The epic poem Beowulf was set in 6th century Denmark. 

Hamlet was a 7th century Danish king. His murder was avenged by his son, Prince Hamlet: a tale later recounted in William Shakespeare's tragedy of the same name. 

USS security chief Karl Dahlberg was born and raised in Copenhagen, Denmark.