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1 ene 75000 año aC - Adam's Calendar

Descripción:

some theories:
rock formation as a calendaring system
estimated to be 75000 years old

https://en.wikipedia.org/wiki/Blaauboschkraal_stone_ruins

http://realhistoryww.com/world_history/ancient/Misc/Adams_Calendar/Adams_Calendar.htm

Añadido al timeline:

ABDI001

ByOneness Humanity
23 ago 2023
1
0
400

fecha:

1 ene 75000 año aC
Ahora mismo
~ 77076 years ago
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