Scotland uk

Repeated glaciations, which covered the entire land-mass of modern Scotland, have destroyed any traces of human habitation that may have existed before the Mesolithic period. It is believed that the first post-glacial groups of hunter-gatherers arrived in Scotland around 12,800 years ago, as the ice sheet retreated after the last glaciation.^[21][22] Groups of settlers began building the first known permanent houses on Scottish soil around 9,500 years ago, and the first villages around 6,000 years ago. The well-preserved village of Skara Brae on the Mainland of Orkney dates from this period. Neolithic habitation, burial and ritual sites are particularly common and well-preserved in the Northern Isles and Western Isles, where lack of trees led to most structures being built of local stone