Answer :
Final answer:
Francisco Pizarro imprisoned Atahualpa, the Incan king, during his conquest of the Inca Empire in 1532.
Explanation:
Francisco Pizarro imprisoned Atahualpa, the Incan king, after discovering that he had previously imprisoned his own brother, the true king of the Incan Empire. This event took place in 1532, when Pizarro entered the city of Cajamarca during his conquest of the Inca Empire.
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