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
Third-country economic relationships with the European Union per capita to show the relative economic development level of the different countries. Reference values for the EU average, highest and lowest are included. Third-country economic relationships with the European Union The European Union has a number of relationships with nations that are not formally part of the Union. According to the European Union's official site, and a statement by Commissioner Günter Verheugen, the aim is to have a ring of countries, sharing EU's democratic ideals and joining them in further integration without necessarily becoming full member states. The European Free Trade Association (EFTA) was created to allow European countries