Even foreigner invaders could come in and take the throne. The Greeks ruled as pharaohs, blending their culture with that of Egypt. Historians divide Egypt's history into several major time periods, where particular events mark the end of one period or the beginning of the next. Most dates are approximate and may vary from one source to another. A single leader conquers and unifies all of Egypt under one rule.
Pyramids become the tomb of choice for pharaohs.
Egypt becomes a mighty nation. The government crumbles and civil war breaks out as several rival kingdoms fight for control of Egypt. Egypt is reunited and once again becomes rich and powerful. Egypt expands into Nubia, and art and literature flourish. Hyksos invaders rule Egypt for over 65 years.