Population growth and foreign-born population. Between 1970 and 1990, McKinney experienced moderate population growth, from 15,193 in the 1970 census, to 21,283 in the 1990 census. Since then, McKinney's rate of increase has been much more dramatic. In the 2000 census, McKinney had grown to 54,369 and to 131,117 in the 2010 census.
Egyptian Timeline: Prehistoric Egypt to the Old Kingdom The following ancient Egypt Timeline spans Prehistoric Egypt to the Old Kingdom Time Periods, dates, people, events and dynasties of ancient Egypt.
The rise of dynastic Egypt in the Nile Valley occurred with the unification of Upper and Lower Egypt in approximately 3200 BC, and ended at around 343 BC, at the start of the Achaemenid dynasty's control of Egypt. It is one of the three oldest civilizations in the world.he ancient city states of Mesopotamia in the fertile crescent are most cited by Western and Middle Eastern scholars as the cradle of civilization. The convergence of the Tigris and Euphrates Rivers produced rich fertile soil and a supply of water for irrigation.