Monotheism permanently replaced polytheism in ancient Egypt.
Explanation:
Amenhotep IV, better known as Akhenaten, was an Egyptian Pharaoh. He came to power after the death of his father.
in the 14th century BC, at a time when the Egyptian kingdom was at the height of power and luxury.
He ruled from 1352-1336. pr. Cr. Because of the many Jews in his court, many of whom were highly placed he introduced a monotheistic religion and carried out a religious reform in which Aten, the sun-god, was the only god.
The unhappy clergy tried to carry out two unsuccessful assassinations against Pharaoh.