Humans returned to Britain 500 years earlier after ice age

New research indicates that humans repopulated the British Isles around 15,200 years ago, nearly 500 years earlier than previous estimates. The return coincided with a sharp rise in summer temperatures that transformed the landscape.

People moved back into Britain as the last major ice sheet retreated, following herds of reindeer and horses across grasslands that were becoming warmer. Britain remained connected to mainland Europe at the time, which eased migration for both humans and animals. The updated timeline comes from recalibrated radiocarbon dates and new analysis of sediments from Llangorse Lake in south Wales.

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