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jboutilier99
jboutilier99 jboutilier99
  • 13-02-2017
  • History
Answered

what year was the first man made calendar built??

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Nightowl0
Nightowl0 Nightowl0
  • 13-02-2017

I would say 10,000 years ago. I did heard and read it in a book. I'm not too sure who the first man was...

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