La Noche Triste ("The Night of Sorrows", literally "The Sad Night") 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 Fall of Tenochtitlan, the capital of the Aztec Empire, was a decisive event in the Spanish conquest of the empire. It occurred in 1521 following extensive manipulation of local factions and exploitation of pre-existing political divisions by Spanish conquistador Hernán Cortés