Expansion of the Aztec Empire
1428–1521
The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.

- Period
- 1428–1521
- Kind
- Political event
- Regions
- Latin America
- Keywords
- Expansion of the Aztec Empire · Tenochtitlan (present-day Mexico) · medieval · background · turning point · impact
Follow the story · Four stages
Background
Political, social, and commercial changes around Tenochtitlan (present-day Mexico) formed the setting: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.
- In and around Tenochtitlan (present-day Mexico), the setting took shape as The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.
- Core event: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.
- Connection to the next stage: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico. The change unfolded through decisions by rulers, institutions, and local communities.

Course
The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico. The choices of the participating powers and responses of local communities shaped the course.
- The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.
- The change unfolded through decisions by rulers, institutions, and local communities.
- Conditions behind the action: In and around Tenochtitlan (present-day Mexico), the setting took shape as The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.

Outcome
As a result, It illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
- It illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
- Process producing the result: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico. The change unfolded through decisions by rulers, institutions, and local communities.
- Question carried forward: In the longer term, it illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.

Historical significance
The significance of this event lies in the fact that it illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
- In the longer term, it illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
- Immediate consequence: It illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
- Historical turning point: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.

Related events
c. 1428
Earlier conditions

Earlier conditions — Background: In and around Tenochtitlan (present-day Mexico), the setting took shape as The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.
c. 1428
Forces in motion

Forces in motion — Build-up: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico. The change unfolded through decisions by rulers, institutions, and local communities.
1428–1521
Expansion of the Aztec Empire
Current event

Expansion of the Aztec Empire — Central transition: The alliance of Tenochtitlan, Texcoco, and Tlacopan expanded tribute and military power across the Basin of Mexico.
c. 1521
Immediate aftermath

Immediate aftermath — Immediate result: It illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
c. 1521
Enduring consequences

Enduring consequences — Long-term significance: In the longer term, it illustrates an imperial structure linking city-state alliance, commerce, markets, and religious ritual.
Sources
- Expansion of the Aztec Empire — Timeline (Daiichi Gakushusha)www.daiichi-g.co.jpThis Daiichi Gakushusha resource supports the chronology, setting, and course of Expansion of the Aztec Empire.
- Expansion of the Aztec Empire — Expansion Of The Aztec Empire (Encyclopaedia Britannica)www.britannica.comThis Encyclopaedia Britannica resource supports the chronology, setting, and course of Expansion of the Aztec Empire.
- Expansion of the Aztec Empire — Expansion Of The Aztec Empire (Wikidata)www.wikidata.orgThis Wikidata resource supports the chronology, setting, and course of Expansion of the Aztec Empire.
