Southern Jutland after the city of Schleswig ("Slesvig"). The dukes of Schleswig also became kings of Denmark. With the demise of the Holy Roman Empire in the 19th century, the term "Sønderjylland" was revived by Denmark and became the subject of a naming dispute between Danes and Germans (the latter continuing the centuries-old "Schleswig") - part of the struggle over possession of the territory itself, which came to war in 1848 and again in 1864. Following the Schleswig Plebiscites in 1920, South Jutland was divided into Northern and Southern Schleswig. Northern Schleswig was also known as South Jutland County (1970–2006) and is
Jutland in c. 450 AD. The Angles themselves gave their name to the new emerging kingdoms called England (i.e., "Angle-land"). Saxons and Frisii migrated to the region in the early part of the Christian era. To protect themselves from invasion by the Christian Frankish emperors, the Danes built the Danevirke, a wall stretching across South Jutland from the North Sea to the Baltic Sea, beginning in the 8th century. The pagan Saxons inhabited the southernmost part of the peninsula at the Baltic Sea until the Saxon Wars in 772-804 AD in the Nordic Iron Age, when Charlemagne violently subdued them and