About Us – Principality of Sealand

During the Second World War the British government built several Fortress islands in the North Sea to defend its coasts from German invaders. These forts were built illegally in international waters.

One of these Fortresses, consisting of concrete and steel construction, was the famous royal fort Roughs Tower situated slightly north of the estuary region of the Thames River. In contrast to the original plan to locate the tower within the sovereign territory of England, this fortress was situated at a distance of approximately 7 nautical miles from the coast, which is more than double the then applicable 3 mile range of territorial waters; to put it briefly, this island was situated in the international waters of the North Sea.

The forts were abandoned in the early 1950s and whilst built in international waters in a time of world crisis, they should have been pulled down to comply with international law. Except for the aforementioned fortress, the fortresses were subsequently pulled down. This resulted in the portentous uniqueness of the fortress. Fort Roughs Tower, situated at the high seas, had been deserted and abandoned, res derelicta and terra nullius. From a legal point of view, it therefore constituted extra-national territory.

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About Us - Principality of Sealand