The bizarre history of Sealand, the independent micronation on a platform off the English coast

You've almost certainly heard of some of Europe's smallest nations - San Marino, Liechtenstein, and Vatican City immediately spring to mind.

But there are a host of other tiny, self-declared independent states around the continent that haven't been recognised by other countries. The Principality of Sealand is at the top of the list.

Nearly 50 years since this man-made platform split from the United Kingdom, Sealand is still going strong. Check out some of its weird and wonderful history here.