Heligoland

Heligoland (; , ; Heligolandic Frisian: , , Mooring Frisian: , ) is a small archipelago in the North Sea, administratively part of the German state of Schleswig-Holstein. The islands are located in the Heligoland Bight (part of the German Bight) in the southeastern corner of the North Sea and are the only German islands not in the vicinity of the mainland: they lie approximately by sea from Cuxhaven at the mouth of the River Elbe.

bay in the Germany

1890 British-German treaty

1914 first naval battle of World War I

1864 battle of the Second War of Schleswig

Heligoland variety of the North Frisian language

aerodrome in Germany

1917 battle

Düne (; ; ) is one of two islands in the German Bight that form the Archipelago of Heligoland, the other being Heligoland proper.

1939 first major aerial battle of the Second World War

German ornithologist (1814-1897)

1849 battle of the First Schleswig War

German zoologist, ornithologist and ecologist (1886-1973)

lighthouse on the island of Heligoland, Germany

rock formation

planned explosion that occurred in Helgoland Archipelago

research institute in Wilhelmshaven, Germany

large, building-sized, funnel-shaped trap for birds