Britain's political separation from the European Union officially began last week. But the island's original split from mainland Europe actually happened hundreds of thousands of years ago.
Researchers have a new theory for how this prehistoric "Brexit" likely went down: first with an overflowing glacial lake, and later with a catastrophic flood.
If it wasn't for this set of geological circumstances, Britain may have remained connected to mainland Europe, jutting out into the North Sea like Denmark does today, according to a study published Wednesday in Nature Communications.
More about White Cliffs Of Dover, Flooding, Ice Age, Geology, and Mainland Europevia Zero Tech Blog
