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End of Paleolithic Age and beginning of Neolithic Age
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Paleolithic Age 3mill-10,000bce / Neolithic Age 10,000-3,000 bce
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End of Neolithic Age and beginning of Ancient Age
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Ancient / Medieval / Modern / Contemporary
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Marks the end of the Ancient age and beginning of Medieval Age
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End of Medieval Age and beginning of Modern Age
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End of the Modern Age and beginning of the Contemporary Age
