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In page 4th millennium BC:

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  • c. 3141–3121 BC: Reign of Scorpion II in Upper Egypt.[citation needed].
  • c. 3121 BC?: Beginning of the reign of Narmer, first pharaoh to unify Ancient Egypt and founder of the 1st Dynasty.[citation needed]
    King Narmer the first Pharaoh of Egypt who unified the country during this century
  • c. 3195–3165 BC?: King Iry-Hor reigns from Abydos over most of Egypt.[9]