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The AmericasAmericasMajor empire

Aztec Empire (Triple Alliance)

Also known as Triple Alliance, Mexica Empire

1428 – 1521 CE · about 93 years

The Aztec Empire was an alliance of the city-states Tenochtitlan, Texcoco and Tlacopan that dominated central Mexico. Its island capital Tenochtitlan was among the largest cities in the world. Spanish conquistadors and their Indigenous allies conquered it in 1521.

Key facts

Dates1428 – 1521 CE
RegionThe Americas
ContinentAmericas
CapitalTenochtitlan
FounderItzcoatl
Religion(s)Aztec religion
Peak extent≈ 0.22 million km² (c. 1520 CE) – source

Before & after

Preceded by

Toltec state

Followed by

Spanish Empire

Sources

Dates follow widely used reference works; many ancient dates are approximate or debated. Neutral summary for general reference.