Which Danish island was blown up by the British in 1947?
British Administration of Heligoland Hellgoland Helgoland Helgioland Helgoland Power Cable Island of Helgoland Heligoland British Heligoland
island of helgoland helgoland power cable helgoland heligoland british heligoland hellgoland british administration of heligoland helgioland
heligoland
WikipediaEntity
Heligoland