 The oldest human fossils in these islands also date from this time, including the skull of Swanscombe Man from 250,000 years ago, and the earlier Clactonian Man.Multiple glaciations occurred during Wolstonian Stage, between about 352,000 to 132,000 years ago.Thought to have peaked around 150,000 years ago, it was named after the town of Wolston south of Birmingham which is considered to mark the southern limit of the ice.