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 over 60% of them had suffered from metal theft. In 2003 McCartney led a detailed survey of the wrecks for the Channel 4 documentary "Clash of the Dreadnoughts". The film examined the last minutes of the lost ships and revealed for the first time how both 'P' and 'Q' turrets of had been blasted out of the ship and tossed into the sea before she broke in half. This was followed by the Channel 4 documentary "Jutland: WWI's Greatest Sea Battle", broadcast in May 2016, which showed how several of the major losses at Jutland had actually occurred and just