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Bubonic plague arrives in Europe 1347 CE

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Bubonic plague arrives in Europe 1347 CE

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Early form of gunpowder developed in China 225 CE

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Early form of gunpowder developed in China 225 CE

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Alexander the Great establishes the city of Alexandria in Egypt 332 BCE

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Alexander the Great establishes the city of Alexandria in Egypt 332 BCE

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Earliest walled city found in the Middle East called jericho 8350 BCE

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Earliest walled city found in the Middle East called jericho 8350 BCE