In early April 1536, Gonzalo Jiménez de Quesada led a military expedition from the coastal city of Santa Marta deep into the interior of what is today modern Colombia. With roughly eight hundred Spaniards and numerous native carriers and black slaves, the Jiménez expedition was larger than the combined forces under Hernando Cortés and Francisco Pizarro. Over the course of the one-year campaign, nearly three-quarters of Jiménez’s men perished,...