Since the Aztecs were fated to defend the land against the strange Spanish conquerors - and lost - we will start with this history through the usual way: The winner's point of view. Following is an extense document by William Hickling Prescott based in the accounts and reports of the spanish soldiers that conquered the land. It is told from the point of view of their time: Non christian savages hardly worth recording, except where the conquerors' own adventures were concerned:
Book Two Discovery of Mexico. Historical context
Book Three First contacts with the Aztec Empire.
Book Four The city of Tenochtitlan as seen by the spaniards.
Book Five First combats and expulsion of the spaniards.
Book Six Siege and surrender of the city.
Book Seven The building of La Nueva España (The New Spain).