Script
Here is The Daily FM summary of the Dwarkesh Podcast that aired on Thursday October 1st. Dwarkesh spoke with military historian Cy Sheppard about one of history’s most astonishing outcomes: how a few hundred Spanish conquistadors helped topple the Aztec and Inca empires, each containing millions of people, within only a few years. [1]
Sheppard’s central argument was that this was never simply a story of a handful of Europeans defeating whole civilizations by themselves. Hernán Cortés arrived in Mexico with only a few hundred men, and Francisco Pizarro reached Peru with roughly 168. But the Spanish inserted themselves into already fragile imperial systems. The Aztecs and Incas ruled over many resentful subject peoples, and Cortés and Pizarro turned those grievances into enormous local alliances. By the final siege of Tenochtitlan, Spaniards were perhaps half of one percent of Cortés’s total force.
Technology still mattered. Guns were mostly valuable for their terrifying noise rather than battlefield lethality, since they reloaded slowly. Steel weapons and helmets gave the conquistadors a crucial edge over obsidian, wood, and stone arms. Horses were even more decisive: Indigenous armies had no equivalent cavalry doctrine, no experience with mounted shock attacks, and often broke under the psychological impact. The Spanish also used war dogs, ships, fortifications, and generations of European military knowledge.
The most dramatic episode was Pizarro’s 1532 ambush at Cajamarca. The Inca emperor Atahualpa, fresh from winning a civil war, met Pizarro with an army in the tens of thousands. Pizarro’s tiny force unleashed artillery, firearms, and cavalry inside a confined plaza, captured Atahualpa, and reportedly killed thousands of Inca soldiers while suffering virtually no casualties. Sheppard stressed that the Spaniards themselves were terrified beforehand; the result was not inevitable from their perspective.
Both conquests hinged on capturing the ruler. Cortés seized Moctezuma, while Pizarro took Atahualpa hostage. In highly centralized systems, that destabilized the entire political order. But Sheppard pushed back on the idea that Indigenous people were incapable of adaptation. Aztec and Inca fighters learned to use confined terrain, flood zones, rooftops, captured weapons, long spears, and bolas against horses. They inflicted serious defeats when they controlled mountain passes or urban terrain. The problem was that the learning curve was brutally steep, and disease, civil conflict, and political fragmentation gave them too little time.
The guests also discussed contingency. A dead Cortés, a more cautious emperor, or a successful Inca siege of Cuzco could have changed the short-term story. Yet Sheppard argued that Eurasian diseases, animals, ironworking, naval power, and accumulated institutions made long-run European encroachment likely anyway. More dispersed societies, including the Maya and Comanche, resisted much longer precisely because there was no single emperor whose capture could collapse everything.
Finally, they connected conquest to globalization. Spanish silver initially enriched rulers but also fueled inflation and discouraged Spain from developing stronger capitalist institutions. The larger effect was global: silver from the Americas flowed through Manila to China, binding the Americas, Europe, and Asia into a single trade system. The unsettling lesson was that modest technological advantages, combined with political maneuvering and local allies, can produce world-changing domination far faster than anyone expects. Thank you for listening to Dwarkesh Podcast in 3 minutes from The Daily FM. See you next time!
- Dwarkesh Podcast: Si Sheppard – How did a few hundred Spanish soldiers topple two empires?
Speaker A: Okay, today I'm chatting with professor and military historian Cy Sheppard. I want to talk to you about the conquest of the Aztec and the Inca empires because these are some of the most shocking events in human history. Unparalleled among all the military and diplomatic achievements ever made. You have a few hundred conquistadors show up to a new continent they know nothing about, and within a matter of years they subjugate empires which have millions of inhabitants in them. It in the process of doing so, they are often winning battles where they are outnumbered 100x to 1,1000x to 1, and in many cases, not even taking a single casualty. They're doing this...
