The historical periods of ancient Egypt spans the period from the early predynastic settlements of the north Nile Valley to the Roman conquest in 30 BC. The Pharaonic Period is dated from some 3150 BC, when Lower and Upper Egypt became a unified state, until the country drop under Greek govern in 332 BC. Egypt's history is split into several different periods according to the dynasty of the governing of each pharaoh. The dating of events is still a field of research. The conservative dates are not put up by any reliable good date for a couple of about three millennia. The following is the list according to conventional Egyptian chronology.
- Predynastic Period
- Early Dynastic Period (Dynasties 1- 2)
- Old Kingdom (Dynasties 3-6)
- First Intermediate Period (Dynasties 7-11)
- Middle Kingdom (Dynasties 12-13)
- Second Intermediate Period (Dynasties 14-17)
- New Kingdom (Dynasties 18-20)
- Third Intermediate Period (Dynasties 21-25)
- Late Period (Dynasties 26-31)