Nahua Religion, Cosmology & Sacred Knowledge

The first cosmic age was presided over by Tezcatlipoca, the Smoking Mirror, who became the sun itself. This primordial world was inhabited by a race of giants (quinametzin) who subsisted on acorns and wild fruits. The earth was shrouded in perpetual twilight, reflecting the dark and unstable nature of Tezcatlipoca's rule.

According to the Leyenda de los Soles and the Historia de los Mexicanos por sus Pinturas, a cosmic rivalry between Tezcatlipoca and Quetzalcoatl defined this era. Quetzalcoatl struck Tezcatlipoca from the sky with a great stone club, causing the fallen god to transform into a monstrous jaguar. In his rage, Tezcatlipoca summoned all the jaguars of the earth, who devoured the race of giants, bringing the First Sun to a catastrophic end after 676 years (13 cycles of 52 years).

The destruction by jaguars symbolized the untamed forces of the earth and the consuming darkness. The calendrical name Nahui Ocelotl (Four Jaguar) memorialized the day-sign on which this world perished. This cosmic age established the recurring theme of divine conflict and renewal that runs through all five creations.

In the second cosmic age, Quetzalcoatl, the Feathered Serpent, ascended as the presiding sun-deity. Under his governance, a new humanity was created—smaller than the giants of the first era, these people lived on pine nuts (acocentli) and practiced a more orderly existence. The world was suffused with the breath and motion that Quetzalcoatl, in his aspect as Ehecatl (Wind), brought to creation.

Yet the cosmic struggle between the two great gods continued. Tezcatlipoca, seeking to reclaim dominion, struck Quetzalcoatl from his celestial throne. As the Feathered Serpent fell, he unleashed devastating hurricanes that swept across the face of the earth, destroying everything in their path. The humans of this age were not annihilated entirely but were transformed into monkeys (ozomatli), scattered through the forests as living reminders of a world undone by wind.

The Second Sun endured for 364 years (7 cycles of 52 years). Its destruction on the day-sign Nahui Ehecatl (Four Wind) symbolized the impermanence of even the most refined civilizations when cosmic balance is disrupted. The transformation of humans into monkeys reflected the Nahua philosophical understanding that each cosmic catastrophe degraded the quality of human existence.

The third cosmic age was governed by Tlaloc, the ancient god of rain, thunder, and agricultural fertility. Tlaloc assumed the role of the sun, and under his stewardship the earth was nourished with abundant waters. The people of this era subsisted on an aquatic grain called acecentli (a type of water-grown seed), reflecting Tlaloc's dominion over moisture and the life-giving cycles of rain.

This era came to its end through Quetzalcoatl's intervention. According to the sources compiled by Fray Bernardino de Sahagun in the Florentine Codex, Quetzalcoatl caused a rain of fire (tlequiahuitl) to fall from the heavens. Volcanic eruptions and fiery downpours consumed the earth. The humans of this world were transformed into turkeys, dogs, and butterflies—or, in some accounts, into birds (pipiltin totomeh)—as they fled the burning landscape.

The Third Sun lasted 312 years (6 cycles of 52 years), ending on the day-sign Nahui Quiahuitl (Four Rain). The destruction by fire-rain carried deep cosmological meaning: even the god of life-giving water could not protect creation from the purifying violence of flame. It demonstrated the Nahua understanding that every element, when taken to excess or stripped of balance, becomes an agent of annihilation.

The fourth cosmic age was presided over by Chalchiuhtlicue, "She of the Jade Skirt," goddess of lakes, rivers, streams, and all terrestrial waters. As Tlaloc's consort, she inherited the aquatic domain and became the sun of this era. Under her watch, the humans of the fourth world ate a wild ancestor of maize called cencocopi, or teocentli, and civilization advanced further than in any previous age.

The destruction of the Fourth Sun came as a catastrophic flood (apachihuiliztli). The waters of the sky merged with the waters of the earth, and for fifty-two years rain fell ceaselessly until the entire world was submerged. Mountains vanished beneath the rising seas. The humans of this age were transformed into fish (michin), their forms dissolving into the all-consuming water.

This great deluge, recorded in the Leyenda de los Soles, the Codex Chimalpopoca, and echoed in the accounts of Fernando de Alva Ixtlilxochitl, bears structural parallels to flood narratives found across Mesoamerican and global traditions. The Fourth Sun lasted 676 years (13 cycles of 52 years), ending on the day-sign Nahui Atl (Four Water). Its destruction set the stage for the most momentous act of cosmic renewal: the creation of the Fifth Sun.

After the destruction of the Fourth Sun, the gods assembled in darkness at Teotihuacan—"the Place Where the Gods Were Made"—to create a new sun. Two deities volunteered for the supreme sacrifice: Nanahuatzin, a humble, pox-covered god, and Tecuciztecatl, a proud and wealthy deity adorned in quetzal feathers and jade. A great bonfire was built, and both were called to leap into the flames.

Tecuciztecatl hesitated four times at the edge of the pyre, recoiling from the heat. Nanahuatzin, without wavering, threw himself into the fire and was consumed. Shamed by the lesser god's courage, Tecuciztecatl followed. Nanahuatzin emerged as the blazing new sun (Tonatiuh), while Tecuciztecatl became the moon, his brilliance dimmed by the gods who struck his face with a rabbit—which is why the Nahua saw the shape of a rabbit (tochtli) in the lunar surface.

But the newly born sun refused to move across the sky until the other gods offered their own blood. Through their collective self-sacrifice, the sun began its journey, and the Fifth Sun—Nahui Ollin, Four Movement—commenced. This act established the cosmic precedent: the sun required nourishment (nextlahualli, "the debt payment") to sustain its motion. The Nahua believed this current age would ultimately end in devastating earthquakes, as foretold by its calendrical name.

The myth of the Fifth Sun at Teotihuacan was among the most profound theological narratives in all of Mesoamerica. It encoded the Nahua understanding that existence depends upon sacrifice, that humility surpasses vanity, and that even the cosmos requires constant renewal through reciprocal obligation between gods and humanity.