South Jutland County effect. South Jutland county is also known as Northern Schleswig (Danish: "Nordslesvig", German: "Nordschleswig"). The name refers specifically to the southernmost 50 kilometers of the Danish part of the Jutland Peninsula that formerly belonged to the former Duchy of Schleswig (Danish: "Slesvig" or "Sønderjylland"); a Danish fief under the Kings of Denmark. Denmark lost the Duchy of Schleswig, as well as the German Duchies of Holstein and Lauenburg, to Prussia and Austria in 1864 in the Second War of Schleswig. Following Austria's defeat in the Austro-Prussian War (1866), all three provinces were annexed to Prussia. Following the defeat of Germany
Jutland a breaching North Sea flood in 1825 created a coast to coast connection. This area is called the North Jutlandic Island, Vendsyssel-Thy (after its districts) or simply "Jutland north of the Limfjord"; it is only partly co-terminous with the North Jutland region. The islands of Læsø, Anholt and Samsø in Kattegat and Als at the rim of the Baltic Sea South are administratively and historically tied to Jutland although the latter two are also regarded as traditional districts of their own. Inhabitants of Als would agree to be South Jutlanders, but not necessarily Jutlanders. The Danish Wadden Sea Islands and