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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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Quarantine Center

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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 founded in the Middle East (Jericho), 8350 BCE

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Earliest walled city founded in the Middle East (Jericho), 8350 BCE