(3rd millennium BC - 2nd millennium BC - 1st millennium BC)
Significant persons:
Inventions, Discoveries, Introductions:
... 45 to 64, and 14.1% who are 65 years of age or older. The median age is 28 years. For every 100 females there are 82.8 males. For every 100 females age 18 and over, there ...