The Fall of the Aztecs
This collection chronicles the fall of the Aztec Empire, from Cortés’ arrival in 1519 to the collapse of Tenochtitlan in 1521. It covers pivotal moments—diplomacy, battles, alliances, and betrayals—using events drawn from The Rest Is History podcast’s "The Fall of the Aztecs" series. Key themes include conquest, indigenous resistance, and the clash of civilizations.
Events in this Collection
1492 January 2
Fall of Granada
The culmination of the Reconquista, when the last Muslim stronghold in Spain fell to Christian forces under Ferdinand and Isabella.
1492 August 3
Columbus’s voyage to the New World
Columbus reaches the Americas, opening sustained European contact with the New World.
1506 July 1
Cortés seeks fortune instead of a safe clerical career
Cortés departs Spain to seek his fortune in the New World after an elbowed setback; he heads for Hispaniola.
1513 September 27
Balboa’s crossing to the Pacific
Balboa crosses the Isthmus of Panama and gazes upon the Pacific, revealing a vast new ocean to Europeans.
1517 February 9
Hernández de Córdoba’s 1517 voyage to the Yucatán
Córdoba’s expedition reaches Isla Mujeres, encounters Maya cities, and discovers the Yucatán coast.
1518 April 8
Velázquez’s Cuba expedition begins
Diego Velázquez deputes his nephew Grijalva with ships to explore Cuba and the western approaches.
1519 February 10
Cortez departs on his voyage to the New World
Cortez sails off with 11 ships and 500 men, starting the expedition to the Aztec lands.
1519 August 16
Founding of Villa Rica de la Vera Cruz (Veracruz)
Cortez and his men establish a town on the coast, creating a formal settlement and legal base for their expedition.
1519 October 12
The Cholula episode and subsequent sack
Cholula hosts the Spaniards who are later attacked; the city is sacked after suspecting Aztec manipulation.
1519 November 7
Arrival at Iztapalapan
Cortés’ party reaches Iztapalapan; crowds stare as they’re hosted on the lake.
1519 November 8
Cortés’ Entry into Tenochtitlan and Meeting with Moctezuma
Cortés and his forces, accompanied by Tlaxcalan allies, entered Tenochtitlan, where they were ceremonially received by Moctezuma II. The initial meeting on the causeway was followed by a formal audience in the palace, where Moctezuma reportedly acknowledged Cortés’ arrival as foretold by prophecy. The Tlaxcalan alliance, already established, played a key political role during the procession into the city. The events unfolded over two days, culminating in the Spaniards being housed in the palace as guests of the Aztec emperor.
1519 December 1
Arrival of Cortés in Tenochtitlan
Cortés and Spaniards are welcomed and installed in the Aztec palace in the city center, starting their tense encounter with Montezuma.
1519 December 15
First impressions of Tenochtitlan and its markets
Spaniards marvel at the vast market, the regimented layout, tetramic trade, and the new world’s “science fiction” feel.
1519 December 20
The Great Temple visit and the revelation of Aztec religion
Diaz’s account of the temple, idols, and the shocking rites, including the idea of demons and blood rituals.
1520 April 20
Montezuma’s response to Cortés’s Christian cross demand
Cortés proposes the cross to frighten the Aztec gods; Montezuma objects and asserts respect for his own gods.
1520 April 25
Arrival of new Spanish ships near Veracruz
News arrives that new Spaniards with different appearances have appeared on the coast, prompting strategic rethink.
1520 April 30
Cortés’s hostage gambit
Cortés takes Montezuma hostage while leaving 80 men with him and taking Malinche and a smaller force to the coast.
1520 May 1
Plan to sacrifice Spaniards
Discussion of whether Spaniards could be sacrificed to satisfy Aztec ritual needs as spring’s rites loom.
1520 May 22
Toxcatl Massacre
During the Feast of Toxcatl, a major Aztec festival honoring the god Tezcatlipoca, Pedro de Alvarado, left in command of Tenochtitlan by Cortés, ordered a brutal massacre of unarmed Aztec nobles and warriors gathered in the Great Temple. The attack, motivated by fears of an Aztec uprising, escalated tensions and marked a turning point in the Spanish conquest, leading to open rebellion against the Spaniards.
1520 May 23
Cortés’s inland expedition with Malinche
Cortés moves inland from Tenochtitlan with Malinche, courting local city-states against the Mexica.
1520 May 27
Battle of Cempoala: Cortés defeats Narváez
Pánfilo de Narváez, sent by Governor Diego Velázquez of Cuba, landed on the coast with a force of ~900 men to capture Cortés for insubordination. Cortés, alerted to Narváez’s arrival, marched from Tenochtitlan and ambushed his forces at Cempoala. Through a combination of surprise tactics, Tlaxcalan allies, and bribery of Narváez’s men, Cortés secured a decisive victory. Narváez was captured, his army absorbed, and Cortés returned to Tenochtitlan with reinforcements, reshaping the balance of power in the conquest.
1520 June 24
Cortés returns to Tenochtitlan with reinforcements
Cortés races back to the capital with additional troops to reassert control.
1520 June 25
The siege and escape setup
Spaniards are besieged; discussion of how they might escape via causeways and the roof-top standoff with Montezuma’s crowd.
1520 June 29
The Pachuca/market-city politics and Montezuma’s fate
The palace dynamics, crowd reaction, and Montezuma’s uncertain fate are discussed in context of the festival and siege.
1520 June 30
La Noche Triste
The night Cortés and Spaniards flee Tenochtitlán; chaos, intense fighting on canals, many drown or die.
1520 September 18
Smallpox reaches Tlaxcala
Smallpox devastates Tlaxcala, spreading inland and reshaping Indigenous alliances and Spanish leverage.
1520 December 31
Sack and siege of Texcoco
Cortés sacks Texcoco, burning the city and destroying its libraries; cementing Spanish–Tlaxcalan power on the lake.
1521 February 28
Cortés builds ships at Tlaxcala
Martin López arrives with 12 ships and Cortés gains a naval edge for the campaign to retake the lake.
1521 April 28
The brigantines launched at Tenochtitlan
Cortés launches a fleet of brigantines into the lake to assault the Aztec capital.
1521 June 1
First naval attack across the lake
The Spanish fleet presses its assault; naval action across Lake Texcoco marks a turning point in the siege.
1521 June 10
Siege of Tenochtitlan
Cortés initiated the final siege of Tenochtitlan by dividing his forces to attack along the three main causeways (Tacuba, Tepeyac, and Iztapalapa), cutting off the city’s access to food, water, and reinforcements. The Spaniards, supported by Tlaxcalan and Texcocan allies, systematically destroyed aqueducts and blockaded supply routes, starving the city into submission. This marked the beginning of attritional warfare, where the Aztecs, led by Cuauhtémoc, resisted fiercely but were gradually weakened by famine and disease.
1521 August 13
Fall of Tenochtitlan: Final Resistance and Capture of Cuauhtémoc
The Siege of Tenochtitlan reached its climax. As the Spanish and their Tlaxcalan allies closed in, the Quetzal Owl Warrior—an Aztec warrior adorned in ritual regalia—appeared as a symbol of defiance, rallying the last defenders of the city. Despite fierce resistance, the Spaniards captured Cuauhtémoc, the final Aztec emperor, after he was dragged from a canoe while attempting to flee. His capture marked the fall of Tenochtitlan, ending the Aztec Empire. The city, already devastated by months of siege, starvation, and warfare, was left in ruins. The survivors, including refugees, fled across the causeways as Cortés consolidated Spanish control, laying the foundation for New Spain.
1521 November 1
All Saints Day torture report
Cortez hosts a party; Cuauhtémoc’s torture and execution follow amid the chaos of the occupation.
1524 April 1
Olid expedition to Honduras
Cortés sends Cristóbal de Olid to Honduras to establish separate rule; Velázquez opposes him back in Cuba.
1525 February 23
Cuauhtémoc’s death and final fate
Cuauhtémoc is captured and executed as a symbol of Aztec resistance and the Spaniards’ legal-empire logic.
1526 June 19
Cortés’ return to Mexico City and a chaotic rebalancing
Cortés returns to a fractious Mexico City, facing lawsuits and political plotting after his Honduras foray.
1531 December 12
Virgin of Guadalupe apparition narrative
The Virgin Mary’s appearance to Juan Diego appears in a context of syncretic Catholic-Mesoamerican faith in New Spain.
1547 July 2
Cortés’ final years and legacy
Cortés dies in Seville after a life of conquest and lawsuits; his legacy is debated in Spain and New Spain.