26 jul 1533 ano - Sapa Inca Atahualpa is executed by garotte, at the orders of Francisco Pizarro in Cajamarca.[11]: 77–78 While older sources stated the execution had been on August 29, 1533, it would later be determined by late 20th century historians that the August date was incorrect because the Spaniards had departed Cajamarca by August 10.[12] The Spanish arrange for his younger brother Túpac Huallpa to be crowned as a successor,[11]: 86–67 but he dies in October after an apparent poisoning