Egypt - During this period in ancient Egypt, the Archaic period, Narmer unites Egypt.
Hieroglyphic writing develops.
Egypt - The 365 day calendar is introduced. Egypt - King Djoser founds the third dynasty in Egypt thereby issuing the period of the Old Kingdom, which lasts until 2200 . He also builds the Step Pyramid of Djoser , the first known pyramid in Egypt. During the Old Kingdom, the power of the pharoah is absolute. Egypt - Pharoah Khufu builds the Great Pyramid of Cheops .