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Traditional date for the founding of the Aztec capital of Tenochtitlan on Lake Texcoco.
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The Sun Stone depicting the ages of the five suns of Aztec mythology is carved and set up at Tenochtitlan.
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The Triple Alliance is formed between Tenochtitlan, Texcoco and Tlacopan.
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Motecuhzoma I reigns as leader of the Aztec empire.
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The Templo Mayor is completed at Tenochtitlan and inaugurated with the sacrifice of 20,000 captives.
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The Aztec capital of Tenochtitlan falls into the hands of spanish forces led by Cortés.