Redirected from 3100 BC
(5th millennium BC - 4th millennium BC - 3rd millennium BC)
Significant persons:
Inventions, Discoveries, Introductions:
... 45 to 64, and 20.7% who are 65 years of age or older. The median age is 44 years. For every 100 females there are 93.5 males. For every 100 females age 18 and over, there ...