The Olmecs are the oldest known Mesoamerican civilization, and we know little about them compared to, say, the Mayans or Aztec. Several people, though, have made a few outlandish claims about who the Olmecs were, and where they came from.
This article from Cultural Anthropology is the definitive takedown of Van Sertima’s Olmec claims, in great detail.
A more readable debunking of claims regarding African and Chinese Olmec origins.
And, just for fun, one of the best 80s cartoon openers ever.
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