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
Night action at the Battle of Jutland Royal Navy endlessly patrolling the North Sea and preventing it taking part in war efforts elsewhere. Night action at the Battle of Jutland The Battle of Jutland took place in the North Sea between the German High Seas Fleet and British Grand Fleet on the afternoon and evening of 31 May 1916, continuing sporadically through the night into the early hours of 1 June. The battle was the only direct engagement between the two fleets throughout World War I. The war had already been waged for two years without any major sea battle, and many of the people present did