Redirected from 1900 BC
(3rd millennium BC - 2nd millennium BC - 1st millennium BC)
Significant persons:
Inventions, Discoveries, Introductions:
... median age is 39 years. For every 100 females there are 104.2 males. For every 100 females age 18 and over, there are 97.8 males. The median income for a household in ...