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 been repulsed. In July, bad news from the "Somme campaign" swept concern over Jutland from the British consciousness. At Jutland, the Germans, with a 99-strong fleet, sank of British ships, while a 151-strong British fleet sank of German ships. The British lost 6,094 seamen; the Germans 2,551. Several other ships were badly damaged, such as and . As of the summer of 1916, the High Seas Fleet's strategy was to whittle away the numerical advantage of the Royal Navy by bringing its full strength to bear against isolated squadrons of enemy capital ships whilst declining to be drawn into a