of the Gueux of the Low Countries. Thus arose a Chichimec confederation, of which Colhuacan (the name given for a time to Tezcuco), Azcapulzalco, the capital of the Tepanecs, and Tlacopan, were the principal cities. At Tezcuco the Toltec element was still powerful. Cholula, a sacred city, remained essentially Toltec, and in general the Chichimecs readily adopted the superior civilization of the Toltecs. This was so much the case that Tezcuco became the seat of an intellectual and artistic development, in virtue of which the Europeans called it the Athens of Mexico. It was from the eleventh to the fourteenth centuries, according to the historians, that what may be called the Chichimec era lasted.
At the beginning of the fifteenth century, the Aztecs—that is to say the white flamingos or herons (from aztatl), the last comers from the North, who had long been a poor and wretched tribe, and on reaching Anahuac had been obliged to accept the suzerainty of Tezcuco—began to assume great importance. They had founded, under the name of Tenochtitlan, upon an island that is now united
