Heligoland: the Nazis’ lost Atlantis

A small island in the North Sea became the site of explosive Anglo-German encounters.

On 18 April 1947, British forces set off the largest non-nuclear explosion in history. The target was a cliff-bound islet in the North Sea, 50 miles from the German coast: Heligoland. For generations this outpost, half the size of Gibraltar, had stood as a symbol of Anglo-German conflict. As far as the British government was concerned, a long tradition of German militarism was about to come to a conclusive end. ‘No more Heligolands’, Admiral ‘Jackie’ Fisher had vowed before the First World War. A generation later, his vow was to be realised. 

To continue reading this article you need to purchase a subscription, available from only £5.

Start my trial subscription now

If you have already purchased access, or are a print & archive subscriber, please ensure you are logged in.

Please email digital@historytoday.com if you have any problems.