The Greek city founded by Alexander the Great in 332 BC, capital of the Ptolemy dynasty, located on a narrow strip of land in the Nile Delta of Egypt. Alexandria was placed on the earlier Egyptian settlement of Raqote of which pre-Ptolemaic seawalls are the only archaeological traces. The great city soon replaced Memphis as the capital of Egypt and is famed for its lighthouse (Pharos, one of the Seven Wonders of the World, built by Sostratos of Knidos between 299-279 BC; destroyed in 1326 AD by an earthquake), the jetty of Heptastadion, the royal palaces; and the Museion, a library and institution of scientific and philological research. It was composed of quarters: Egyptian, Greek, Jewish, and Kings. The city became the center of trade and culture in the eastern Mediterranean. The Ptolemys ruled over Egypt until 30 BC.
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