Flint arrowheads were discovered in a field by the Biggar Archeology Group. The tools had been made in a way that identified them as belonging to about 12,000 BC. At that time, the North Sea was an expanse of land, over which nomadic humans roamed. Similar tools had been found in Denmark, the Netherlands and Germany, but never in Scotland.
Dr Alan Saville, a senior curator at the National Museum of Scotland, who helped identify the objects, said he was "very excited" when he saw them. "This is the breakthrough," he said. "Now we are able to say for absolute certain that we had human settlement at that time in Scotland."
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