1 ene 8000 año aC - First calendar
Descripción:
A mesolithic arrangement of twelve pits and an arc found in Warren Field, Aberdeenshire, Scotland, dated to roughly 8,000 BC, has been described as a lunar calendar and was dubbed the "world's oldest known calendar" in 2013.[
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fecha:
1 ene 8000 año aC
Ahora mismo
~ 10032 years ago