Amun was the first god in Egyptian mythology.
Akhenaten was born as "Amenhotep" in honour of Amun but he created a new religion that worshipped Aten. Akhenaten's men removed Amun's name from temples, tombs, royal inscriptions, and the name of Akhenaten's father. (PROSE: Set Piece)
When the Time Lords Antak and "Jane Templeton" were stranded in ancient Egypt, they were worshipped as Amun and Thoth, respectively. (AUDIO: False Gods)
Alexander the Great gave libations to Amun and Ishtar while Cleitus refused to worship the Egyptian and Syrian gods. (AUDIO: Farewell, Great Macedon)