Siege of Tenochtitlan

E111982

battle event in the Spanish conquest of the Aztec Empire military siege

The Siege of Tenochtitlan was the decisive 1521 military campaign in which Spanish conquistadors and their Indigenous allies captured and destroyed the Aztec capital, leading to the fall of the Aztec Empire.

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All labels observed (9)

Label	Occurrences
Siege of Tenochtitlan canonical	6
siege of Tenochtitlan	5
Spanish–Aztec War	2
fall of Tenochtitlan	2
Battle of Cempoala	1
Fall of Tenochtitlan	1
Fall of Tenochtitlan (1521)	1
Spanish conquest of Tenochtitlan	1
fall of the Aztec Empire	1

How this entity was disambiguated

This entity first appeared as the object of triple T924676 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Siege of Tenochtitlan
Context triple: [Cuitláhuac, associatedEvent, Siege of Tenochtitlan]

A. Siege of Cuautla
The Siege of Cuautla was a pivotal 1812 confrontation in the Mexican War of Independence, where insurgent forces led by José María Morelos withstood a prolonged royalist siege, boosting the rebel cause despite ultimately withdrawing.
B. Tepanec War
The Tepanec War was a pivotal early 15th-century conflict in central Mexico in which subject city-states, led by Tenochtitlan and its allies, overthrew Tepanec dominance and cleared the way for the rise of the Aztec Triple Alliance empire.
C. Siege of Veracruz
The Siege of Veracruz was a pivotal 1847 U.S. amphibious assault and bombardment of the Mexican port city of Veracruz that opened the road to Mexico City during the Mexican–American War.
D. Siege of Cuzco
The Siege of Cuzco was a major 1536–1537 Inca uprising against Spanish rule in the former imperial capital, marking one of the most significant and protracted battles of resistance during the conquest of the Inca Empire.
E. Battle of Calderón Bridge
The Battle of Calderón Bridge was a major 1811 royalist victory over insurgent forces during the Mexican War of Independence that marked a turning point by halting the early rebel advance.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Siege of Tenochtitlan
Target entity description: The Siege of Tenochtitlan was the decisive 1521 military campaign in which Spanish conquistadors and their Indigenous allies captured and destroyed the Aztec capital, leading to the fall of the Aztec Empire.

A. Siege of Cuautla
The Siege of Cuautla was a pivotal 1812 confrontation in the Mexican War of Independence, where insurgent forces led by José María Morelos withstood a prolonged royalist siege, boosting the rebel cause despite ultimately withdrawing.
B. Tepanec War
The Tepanec War was a pivotal early 15th-century conflict in central Mexico in which subject city-states, led by Tenochtitlan and its allies, overthrew Tepanec dominance and cleared the way for the rise of the Aztec Triple Alliance empire.
C. Siege of Veracruz
The Siege of Veracruz was a pivotal 1847 U.S. amphibious assault and bombardment of the Mexican port city of Veracruz that opened the road to Mexico City during the Mexican–American War.
D. Siege of Cuzco
The Siege of Cuzco was a major 1536–1537 Inca uprising against Spanish rule in the former imperial capital, marking one of the most significant and protracted battles of resistance during the conquest of the Inca Empire.
E. Battle of Calderón Bridge
The Battle of Calderón Bridge was a major 1811 royalist victory over insurgent forces during the Mexican War of Independence that marked a turning point by halting the early rebel advance.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	battle ⓘ event in the Spanish conquest of the Aztec Empire ⓘ military siege ⓘ
belligerent	Hernán Cortés's expeditionary force ⓘ linked to: Spanish conquistadors Spanish Empire ⓘ Texcocan allies ⓘ linked to: Texcoco polity Tlaxcalan allies ⓘ linked to: Tlaxcalans other Indigenous allies of the Spanish ⓘ
capturedLeader	Cuauhtémoc ⓘ
casualties	significant Spanish and Indigenous ally casualties ⓘ very high Aztec military and civilian casualties ⓘ
cause	Aztec resistance to Spanish and allied forces ⓘ Spanish attempt to conquer the Aztec Empire ⓘ
commander	Cristóbal de Olid ⓘ Cuauhtémoc ⓘ Cuitláhuac ⓘ Gonzalo de Sandoval ⓘ Hernán Cortés ⓘ Pedro de Alvarado ⓘ
conflict	Spanish conquest of the Aztec Empire ⓘ
country	Aztec Empire ⓘ
date	1521 ⓘ
endDate	1521-08-13 ⓘ
endedWith	surrender of Cuauhtémoc to Hernán Cortés ⓘ
followedBy	Spanish consolidation of control over central Mexico ⓘ
historicalPeriod	Age of Discovery ⓘ linked to: Age of Exploration early 16th century ⓘ
location	Lake Texcoco ⓘ Tenochtitlan ⓘ Valley of Mexico ⓘ
notableFor	destruction of much of Tenochtitlan ⓘ massive Indigenous participation on the Spanish side ⓘ urban warfare in a lake island city ⓘ use of brigantines on Lake Texcoco ⓘ
opponent	Aztec Empire ⓘ Mexica of Tenochtitlan ⓘ linked to: Mexica allied cities of the Aztec Triple Alliance ⓘ
partOf	Spanish conquest of Mexico ⓘ linked to: Spanish conquest of the Aztec Empire
precededBy	Battle of Otumba ⓘ La Noche Triste ⓘ
result	Spanish and Indigenous allied victory ⓘ beginning of Spanish colonial rule in central Mexico ⓘ collapse of the Aztec Empire ⓘ fall of Tenochtitlan ⓘ
significance	decisive event in the colonization of Mesoamerica ⓘ marked the end of the Aztec Triple Alliance as a political entity ⓘ paved the way for the establishment of New Spain ⓘ
startDate	1521-05-26 ⓘ

How these facts were elicited

Referenced by (20)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cuitláhuac → associatedEvent → Siege of Tenochtitlan ⓘ

Cuauhtémoc → conflict → Siege of Tenochtitlan ⓘ

Cuauhtémoc → event → fall of Tenochtitlan ⓘ