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1100
The Valley of Mexico is Settled
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1345
Beginning of Aztec Empire
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1428
The Triple Alliance is formed between Tenochtitlan, Texcoco and Tlacopan.
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1487
The Templo Mayor is completed at Tenochtitlan and inaugurated with the sacrifice of 20,000 captives.
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1507
The Throne of Motecuhzoma II is carved. Also known as the Monument of Sacred War.
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1519
Hernán Cortés Arrives in the Valley of Mexico
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1521
End of Aztec Empire