Culture of El Salvador
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What links here
Mesoamerican calendars
Science in the ancient world
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Culture of Europe
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History of astrology
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List of cycles
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260 (number)
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World tree
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Tzolkʼin
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Seibal
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Aztec calendar
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Cocijo
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Xiuhtecuhtli
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Nagual
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Olmecs
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500 BC
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Year
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Week
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Tree of life
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History of science
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