Jutland peninsula is made up of the German Bundesland of Schleswig-Holstein. Schleswig-Holstein has two parts: the former duchies of Schleswig (Danish fief) and Holstein (German fief), both of which have passed back and forth between Danish and German rulers several times. The last adjustment of the Danish–German border followed the Schleswig Plebiscites in 1920 and resulted in Denmark's regaining Northern Schleswig ( or more commonly today: "Sønderjylland"). The historical southern border of Jutland are areas south of Kiel, Husum and Rendsburg, but the river Eider was the border between the former duchies of Schleswig and Holstein, as well as the historical
Battle of Jutland general fleet battle until it had achieved something resembling parity in heavy ships. In tactical terms, the High Seas Fleet had clearly inflicted significantly greater losses on the Grand Fleet than it had suffered itself at Jutland and the Germans never had any intention of attempting to hold the site of the battle, so some historians support the German claim of victory at Jutland. However, Scheer seems to have quickly realised that further battles with a similar rate of attrition would exhaust the High Seas Fleet long before it reduced the Grand Fleet. Further, after the 19 August advance was