Britain, the peninsula

When sea level started rising from its low point 17,000 years ago, the coastline of the world were dramatically changed. According to this recent BBC report,

http://www.bbc.co.uk/news/magazine-12244964

Britain remained a peninsula, connected to Normandy, until 6,100 years ago, when a titanic tsunami inundated what would become the English Channel. So much for those wankers who say Britain shouldn't be in the EU.