A general feeling seems to have prevailed in the time of Montezuma that the period for the return of the deity and the full accomplishment of his promise was near at hand. This conviction is said to have gained ground from various preternatural occurrences, reported with more or less detail by all the most ancient historians.[8] In 1510 the great lake of Tezcuco, without the occurrence of a tempest, or earthquake, or any other visible cause, became violently agitated, overflowed its banks, and, pouring into the streets of Mexico, swept off many of the buildings by the fury of the waters. In 1511 one of the turrets of the great temple took fire, equally without any apparent cause, and continued to burn in defiance of all attempts to extinguish it. In the following years, three comets were seen; and not long before the coming of the Spaniards a strange light broke forth in the east. It spread broad at its base on the horizon, and rising in a pyramidal form tapered off as it approached the zenith. It resembled a vast sheet or flood of fire, emitting sparkles, or, as an old writer expresses it, “seemed thickly powdered with stars.”[9] At the same time, low voices were heard in the air, and doleful wailings, as if to announce some strange, mysterious calamity! The Aztec monarch, terrified at the apparitions in the heavens, took counsel of Nezahualpilli, who was a great proficient in the subtle science of astrology. But the royal sage cast a deeper cloud over his spirit by reading in these prodigies the speedy downfall of the empire.[10] Such are the strange stories reported by the chroniclers, in which it is not impossible to detect the glimmerings of truth.[11] Nearly thirty years had elapsed since the discovery of the Islands by Columbus, and more than twenty since his visit to the American continent. Rumors, more or less distinct, of this wonderful appearance of the white men, bearing in their hands the thunder and the lightning, so like in many respects to the traditions of Quetzalcoatl, would naturally spread far and wide among the Indian nations. Such rumors, doubtless, long before the landing of the Spaniards in Mexico, found their way up the grand plateau, filling the minds of men with anticipations of the near coming of the period when the great deity was to return and receive his own again.