This people founded their city, Tenochtitlan, on top of a lake later called by the Spanish "Lago de Texcoco."
There were twelve rulers of Tenochtitlan:
According to legend, they travelled to the Lago de Texcoco from Aztlán after a journey foretold by the god Huitzilopochtli. Upon arrival, they saw an eagle perched on a nopal cactus, indicating the site of their new home. Current-day Mexico City is located on this spot, and this legend is pictured on the Mexican flag.