The Earth was known to b e a sphere for tens-of-thousands of years and while there is a break in collective memory, knowledge due to the Younger Dryas Event it was then "rediscovered" knowledge even still thousands of years ago.
The Earth was known to b e a sphere for tens-of-thousands of years and while there is a break in collective memory, knowledge due to the Younger Dryas Event it was then "rediscovered" knowledge even still thousands of years ago.
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