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Classic Period
100 B.C.-A.D. 700
ocated just outside what is modern-day Mexico City, Teotihuacan was the first true urban complex in Mesoamerica. At its height, Teotihuacan had a population of about 200,000 and was one of the largest cities in the world. Such a dense population required precise organization and included several tiers of specialists such as priests, architects, craftsmen, and artists, as well as farmers.