9 mar 1200 año aC - Olmec civilization flourished in east and central Mexico
Descripción:
 Primarily an agricultural society (corn, beans, squash, and avocados).
Their language, beliefs, art, and athletics influenced the later civilizations (Maya and Aztec) 
Añadido al timeline:
fecha:
9 mar 1200 año aC
Ahora mismo
 ~ 3228 years ago