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Feb 17, 1519
Cortes sails for Mexico from Cuba
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Mar 20, 1519
Tlaxcalans form alliance with the Spanish
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May 11, 1519
Tlaxcalans attack the Spanish
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Jul 3, 1519
Moctezuma and Cortes meet
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Aug 9, 1519
Cortes takes Moctezuma hostage
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Oct 23, 1519
The Spanish massacre thousands of Aztecs while preparing for their religious festival
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Feb 9, 1520
The Spanish retreat after the Aztecs gather arms
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Mar 16, 1520
Moctezuma dies
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Apr 24, 1520
The Spanish attempt to escape from Tenochtitlan but are stopped by the Aztecs - later referred to as the Noche Triste
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May 2, 1520
The Aztecs begin to die from smallpox
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Jun 25, 1520
The Spanish form a second attack on the now weakened Aztecs
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Aug 28, 1520
The last group of Aztecs surrender
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Apr 4, 1521
Cortes governor and captain-general of New Spain