Standing 11km off the Suffolk coast in Britain, it is the self-proclaimed smallest micro-nation in the world.

And for more than half a century, Sealand - a wind-lashed Second World War naval fort whose main platform, some 18m above the North Sea, can only be reached by being winched up by crane - has seen off not only German advances but those from the British government, too.

New New Zealand Island: The Kiwi pastime of micronations
New nation of Liberland 7sq km

Now, with rising uncertainty over Brexit, the sovereign state is receiving hundreds of applications