Heligoland: Britain, Germany, and the Struggle for the North Sea

On 18 April 1947, British forces set off the largest non-nuclear explosion in history. The target was a small island in the North Sea, fifty miles off the German coast, which for generations had stood as a symbol of Anglo-German conflict: Heligoland.

A long tradition of rivalry was to come to an end here, in the ruins of Hitler's island fortress. Pressed as to why it was not prepared to give Heligoland back, the British government declared that the island represented everything that was wro...