English Chess Pieces by Berkeley - Cardinal RedBoard Not Included The coastline and landscape of what would become modern Britain began to emerge at the end of the last Ice Age around 10,000 years ago. What had been a cold, dry tundra on the north western edge of Europe grew warmer and wetter as the ice caps melted. The Irish Sea, North Sea and the Channel were all dry land, albeit land slowly being submerged as sea levels rose. But it wasnt until 6,100 BC that Britain broke free of mainland