1807–1890 Heligoland 1809–1864 Ionian Islands - 20th century 1921-1937 Irish Free State
Heligoland
Web Site
Heligoland - Nauru - Mobile Phones, Internet. Country Code
Heligoland - Nauru - Mobile Phones, Internet. Country Code
Heligoland Oceania
Heligoland 2024 Operation Big Bang: When the British tried to blow up Helgoland National Geographic
The Return of Massive Attack Brooklyn Rail
Why some African countries have strange shapes DW (English)
Britain's 'big bang' in Heligoland, 70 years on BBC.com
