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It is the date in which it is considered that the High and the Low Egypt were united in a single monarchy, until 31 BC, when the Roman Empire conquered Egypt and converted it into Roman province.
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Imhotep was the creator of Egyptian medicine.
He was a doctor, astronomer, engineer and architect. -
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The first book of formulas about geometry, algebraic equations, arithmetic series.
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He dies at 19, after a reign of about 9 years.
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The arch lasted until the XVIII dynasty, to be replaced by the triangular arch, easier to handle and to make in series, and that it launched long arrows of great penetration, able to cross the armors.
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The first geological and typographic map.
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(God of the nine rains)
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The queen of ancient Egypt dies.
After his reign of the year 51 a.C to 47 a.C.