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In page 3rd millennium BC:

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  • Egyptians begin use of papyrus.[6]
  • Austronesian peoples have developed lateen sail, and the out-rigger as well as extensive development of celestial navigation systems.[citation needed]
  • Oldest known evidence of the inhalation of cannabis smoke, as indicated by charred cannabis seeds found in a ritual brazier at a burial site in present-day Romania.[7]