Düne
Introduction '''Düne''' (Danish: ''Dynen'', North Frisian: ''de Halem'') is one of two islands in the German Bight that form the Archipelago of Heligoland, the other being Heligoland proper.
Geography The small island of Düne is part of the German State of Schleswig-Holstein. Situated  to the east of the main island Heligoland, Düne is part of the  ''Heligoland'' protected natural area. The island measures  in length and  in width. The island is separated from Heligoland proper by the Rede strait.Island of Düne (Heligoland)
History Until the 17th century, Düne was connected to Heligoland. On New Year's Eve 1721 a big storm surge separated the dunes from Heligoland. Therefore, the island that arose was called Düne ''(English: Dune)''. In 1935 the size of the island was . In 1940 the Nazi government increased the size of the island to . This increase was for use as a military airfield. The Heligoland Airfield is still used today and has three runways, of which the longest is .
External links *  Düne at the website of Heligoland municipality