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Viracocha becomes the emporor and begins to grow and advance the Inca Empire.
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Pachacuti becomes the leader of the Inca Empire. Pachacuti Inca Yupanqui defeats the Chancas and takes control of Cuzco Valley. Pachacuti founds Machu Picchu in the High Andes.
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The Inca leaders Waskar and Atahualpa ingage in civil war Atahualpa defeats Waskar.
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Spanish conquistadors arrive in South America and begin to explore South America.
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The Inca capital Cuzco is overrun by the Spanish.