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jan 1, 75000 BC - Adam's Calendar

Description:

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

Added to timeline:

ABDI001

ByOneness Humanity
23 Aug 2023
1
0
475

Date:

jan 1, 75000 BC
Now
~ 77077 years ago
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