4133 Neter-b’au.—First king. Manetho says: “During his reign a chasm opened near Bubastis and many persons perished.”

Monument.—Tomb discovered by Amélineau in 1897 at Abydos.

4100 Ka-ka-u.—Second (?) king; establishes or expands the worship of Apis; also of Mnevis and the Mendesian goat.

4066 Ba-en-neter.—Third (?) king; establishes the right of female succession.

IIIrd DYNASTY, 3900-3766 B.C.

3900 Neb-ka.—First or third king. According to Manetho a revolt of the Libyans in which they submitted “on account of an unexpected increase in the moon,” took place in this reign.

3866 Zeser (T´er-sa).—Second or fourth king. Builder of the Step Pyramid of Saqqarah. Dr. Budge says of this: “It is certainly the oldest of all the large buildings which have successfully resisted the action of wind and weather, and destruction by the hand of man.”

Monuments.—The Step Pyramid; the Great Sphinx of Gizeh.

Rapid development of civilisation during the first three dynasties.

IVth DYNASTY, 3766-3566 B.C.