“Dynastic” Egypt—sometimes referred to as “Pharaonic” (after “pharaoh,” the Greek title of the Egyptian kings) was the time when the country was largely unified under a single ruler, begins around 3100 B.C.E. with the Old Kingdom. The period before this, lasting from about 5000 B.C.E. until unification, is referred to as Predynastic by modern scholars.
c. 5000 - 2150 B.C.E.