The history of Egypt has been long and wealthy, due to the flow of the Nile River with its fertile banks and delta, as well as the accomplishments of Egypt's native inhabitants and outside influence. Much of Egypt's ancient history was a mystery until Egyptian hieroglyphs were deciphered with the discovery and help of the Rosetta Stone. Among the Seven Wonders of the Ancient World, is the Great Pyramid of Giza.Ancient Egyptian civilization coalesced around 3150 BC with the political unification of Upper and Lower Egypt under the first king of the First Dynasty, Narmer.