In 2006 Mexican archeologists discovered a stone block in Veracruz state inscribed with 62 distinct signs that dated to about this time. The Cascajal stone was attributed to the Olmecs, who civilization lasted from about 1200BC-400BC. (oct 24, 900 BC – oct 24, 900 BC)
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Date:
oct 24, 900 BC
oct 24, 900 BC
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