In all local temples the worship of Aton was instituted.
Of the XVIIIth dynasty became the monotheist Akhenaton; discarding all the gods of Egypt, and especially persecuting Ammon the arch-god, he devoted himself to the purer and more sublime worship of Aton, the sun.
A few years after the reformer's death, the old cults were re-established and the monuments of Aton studiously defaced.
Amenophis began his reign in Thebes as an adherent of the traditional faith, but after a few years he abandoned that town and built a new capital for his god Aton 200 m.
Amenophis even changed his own name, of which the name of Ammon formed an element, to Akhenaton, the brilliancy of the Aton, and the capital was called Khitaton, The Horizon of the Aton.