Siege of Tenochtitlan
E111982
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.
All labels observed (9)
| Label | Occurrences |
|---|---|
| Siege of Tenochtitlan canonical | 5 |
| Spanish–Aztec War | 2 |
| fall of Tenochtitlan | 2 |
| siege 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 |
Spanish conquistadors
ⓘ
surface form:
Hernán Cortés's expeditionary force
Spanish Empire ⓘ Texcoco polity ⓘ
surface form:
Texcocan allies
Tlaxcalans ⓘ
surface form:
Tlaxcalan allies
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 Exploration
ⓘ
surface form:
Age of Discovery
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 ⓘ
surface form:
Mexica of Tenochtitlan
allied cities of the Aztec Triple Alliance ⓘ |
| partOf |
Spanish conquest of the Aztec Empire
ⓘ
surface form:
Spanish conquest of Mexico
|
| 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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Siege of Tenochtitlan Description of subject: 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.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
fall of Tenochtitlan
this entity surface form:
Fall of Tenochtitlan (1521)
this entity surface form:
siege of Tenochtitlan
this entity surface form:
Spanish conquest of Tenochtitlan
this entity surface form:
Spanish–Aztec War
this entity surface form:
fall of Tenochtitlan
this entity surface form:
siege of Tenochtitlan
this entity surface form:
Spanish–Aztec War
this entity surface form:
Fall of Tenochtitlan
this entity surface form:
Battle of Cempoala
this entity surface form:
fall of the Aztec Empire