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
Battle of Jutland illustrated the irrelevance of battleship fleets following the development of the submarine, mine and torpedo. In this view, the most important consequence of Jutland was the decision of the Germans to engage in unrestricted submarine warfare. Although large numbers of battleships were constructed in the decades between the wars, it has been argued that this outcome reflected the social dominance among naval decision-makers of battleship advocates who constrained technological choices to fit traditional paradigms of fleet action. Battleships played a relatively minor role in World War II, in which the submarine and aircraft carrier emerged as the dominant offensive weapons