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Imhotep publishes medical documents telling the diagnosis and cure of 200 diseases.
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The 4th Dynasty begins with Sneferu as pharaoh. In his reign, he builds the first straight-side pyramid, known as the Red Pyramid.
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The sphinx is built for Pharaoh Khafra during his rein. He also built the second largest pyramid of Giza.
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Pharoah Khafra passes away.
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Unas, last ruler of the 5th Dynasty, reigns as pharaoh.
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Pepi I the son of Teti, becomes ruler. He was able to dethrone his brother, Userkare who had murdered his father.