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31 facts about the Origin of the Sumerians. ►Subscribe to the channel: https://geni.us/eZcCYJ The Sumerians were the first to use a positional notation numbering system and conceived the first notion of a heliocentric system of the universe known at the time. Where did the Sumerians come from? How did they develop? What were their main contributions to universal culture? How did they disappear? Today you will know the answers to these and many other curiosities about this enigmatic civilization. ----------------------------------------------------------------- Add us: Facebook ► https://geni.us/xS4dD Instagram ► https://geni.us/ZLr9j