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  The Aztecs arrive in the valley of mexico
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  The Aztecs settle near lake Texcaco
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  Aztecs found tenochtitlan and buil their temples
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  Montezuma becomes ruler of the aztecs
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  A flood breaks out in Tenochtitlan
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  Cortes arrives in Tenochtitlan
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  Cortes kills Montezuma
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  Aztecs got defeated.
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  The smallpox epidemic breaks out
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  Cortez burns all the aztecs temples