Battle of Cajamarca
16 November 1532
The Battle of Cajamarca, also spelled Cajamalca (though many contemporary scholars prefer to call it the Cajamarca massacre), was the ambush and seizure of the Incan ruler Atahualpa by a small Spanish force led by Francisco Pizarro, on November 16, 1532. The Spanish killed thousands of Atahualpa's counselors, commanders, and unarmed attendants in the great plaza of Cajamarca, and caused his armed host outside the town to flee.