La Noche Triste was an important event during the Spanish conquest of the Aztec Empire, wherein Hernán Cortés, his army of Spanish conquistadors, and their native allies were driven out of the Aztec capital, Tenochtitlan.

The Spanish conquest of the Aztec Empire was a pivotal event in the history of the Americas, marked by the collision of the Aztec Triple Alliance and the Spanish Empire, ultimately reshaping the course of human history. Taking place between 1519 and 1521, this event saw the Spanish conquistador Hernán Cortés, and his small army of soldiers and indigenous allies, overthrowing one of the most powerful empires in Mesoamerica.