» For other uses of this and similar names, see Dannevirke (disambiguation). The Danevirke (once more frequently spelt Dannevirke; in Old Norse Danavirki ; in German Danewerk – all meaning "Danish creation" or "Danes' work")'s a system of Danish fortifications in Schleswig-Holstein (Northern Germany). This important linear defensive earthwork was constructed across the neck of the Cimbrian peninsula during Denmark's Viking Age. It was last used for military purposes in 1864. The Danevirke… (More on Danevirke)