6th millennium BC
This is an old revision of this page, as edited by HenryS (talk | contribs) at 23:53, June 10, 2007. It may differ significantly from current revision.
It is thought that during the 6th millenium BC many environments shifted around the world, triggering a change in subsistence patterns. Some historians allege that Hunter-gatherers in the Middle East begin to shift towards sedentary horticulture and early intensive agriculture.