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It has been suggested that megaliths found …
Years: 3933BCE - 3790BCE
It has been suggested that megaliths found at Nabta Playa, once a large lake in the Nubian Desert, are examples of the world's first known archaeoastronomical devices, predating Stonehenge by some one thousand years.
Research suggests that it may have been a prehistoric "calendar" marking the summer solstice.
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Years: 3933BCE - 3790BCE
Locations
Groups
Topics
Subjects
Regions
Subregions