2
votes
1answer
146 views

Technology and status symbols that predate language [closed]

I remember distinctly reading about peoples and cultures - in, I believe, the Caucasus - that used to knap large flakes of flint into spearheads and would use them (instead of actual tools) as status ...
5
votes
1answer
103 views

Who is responsible for the oldest known calendar?

What is the oldest known calendar? Where exactly was it developed? Who was responsible for its creation?