it was buddhism
He was monotheistic, Egyptians were polytheistic.
1
Aton
1370?
Akhenaton
They returned to their ancient beliefs under Amenhotep's sucessor, Tutanchamon.
Amenhotep IV changed his name to Akhenaton and changed the official religion of Egypt to a monotheistic cult centered around the Aton, represented by the sun disk.
It takes a lot of force over a long period of time to compel a permanent change in religion. Since Amenhotep IV's reign was short and his heirs did not continue to compel Atenism, the religion reverted to traditional Ancient Egyptian Mythology.
There were 4 Egyptian pharaohs with this name. They belonged to the 18th dynasty and their Greek name was Amenophis. Amenhotep I : ruled in the 16 century BC. He fought wars in Nubia and Libya. Amenhotep II: ruledin the 15th centuryBC. He was the son of Hatsepsut (queen) and Tuthmosis III. He fought successfully in Syria and the Middle East. Amenhotep III: ruled in the 15-14th century BC. His reign was generally peaceful ; he had many grandiuous buldings built in Thebes e.g. The Colossi of Memnon and the Luxor Temple. Amenhotep IV: he was who changed his name into Aknenaten, when he replaced religion of Amon with a monotheistic (!) religion of Aten.
He mandated worship of one god exclusively
He mandated worship of one god exclusively