Before revision: 81, 129 Members of an uncontacted tribe encountered in the Brazilian state of Acre in 2009 Caral-Supe / Norte Chico 220px|Caral On the north-central coast of present-day Peru, the Caral-Supe civilization, also known as the Norte Chico civilization emerged as one of six civilizations to develop independently in the world.
After revision: 81, 129 Members of an uncontacted tribe encountered in the Brazilian state of Acre in 2009 Caral-Supe / Norte Chico 220px|Caral On the north-western coast of present-day Peru, the Caral-Supe civilization, also known as the Norte Chico civilization emerged as one of six civilizations to develop independently in the world.