1500 bc - 900 - Mayas (jun 15, 1500 BC – aug 22, 900)
Description:
Around 1500 bc. the Mayas, who settled in Central America developed a far more accurate and complex calendar than the ones Europeans were using at the time of Columbus.Added to timeline:
Date:
jun 15, 1500 BC
aug 22, 900
~ 2402 years