1. Pharoah Akneton's attempt to replace Egyptian polytheism with monotheism (the worship of one god, the sun-god Ra).
2. The Rosetta Stone.
3. Kemet, or the 'black land', referring to the black soil the Nile deposited on its shores on its annual floods. Because of the Aswan Dam built about 40 years ago, the Nile's annual floods no longer carry this soil; so Egyptian farmers rely on fertilizer.