The Danevirke (Old Norse, Danavirki ; modern Danish, Dannevirke ; German, Danewerk – all meaning "Danes' works") is an important linear defensive earthwork which was constructed across the neck of the Jutland peninsula during Denmark's Viking Age. It was last used for military purposes in 1864. The Dannevirke stretches from the marshes of west Jutland to the town of Schleswig, which lies beside the Schlei (Danish: Slien) on the Baltic Sea coast, near the former Viking trade centre of Hede… (More on Danevirke)