jan 1, 3100 BC - Skara Brae is built in Scotland

Description:

Skara Brae /ˈskærə ˈbreɪ/ is a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland, the largest island in the Orkney archipelago of Scotland. Consisting of ten clustered houses, made of flagstones, in earthen dams that provided support for the walls; the houses included stone hearths, beds, and cupboards. A primitive sewer system, with "toilets" and drains in each house, carried effluent to the ocean.

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