Fascinating thread connecting the American Southwest to Mesoamerica! Uto-Aztecan languages link Utah tribes (Ute, Paiute, Shoshone) to Nahuatl speakers in Mexico. Archaeologists found chocolate residue from Mexico in Utah pottery, plus macaw feathered skirts and Mexican-origin artifacts. Remarkably, regional petroglyphs and the Aztec Sun Stone both encode a 26,000-year precessional cycle. Researchers point to Aztlan in the Southwest as the Aztec homeland, with Chaco Canyon sitting along an ancient trail system stretching to Mesoamerica. Even the Treaty of Guadalupe Hidalgo map documents the Southwest as Aztec territory.
Uto-Aztecan linguistics and chocolate residue link Utah to Mexico

Key facts
- Uto-Aztecan language chain connects tribes in Utah (Ute, Paiute, Shoshone) to speakers of Nahuatl in Mexico
- Archaeologists detected chocolate residue from Mexico in pottery vessels found in Utah
- Macaw feathered skirts and other Mexican-origin artifacts have been found in the American Southwest
- Petroglyphs in the region document a 26,000-year precessional cycle and Venus cycles
- The Aztec Sun Stone documents the same 26,000-year precessional cycle found in regional petroglyphs
- Montezuma Castle National Monument was named by native peoples, predating any settler accounts
- The Aztec homeland was called Aztlan, located in what is now the American Southwest
- The name "Mexico" derives from "Mexica," the Aztec people's self-designation
- Chaco Canyon is identified as part of an ancient trail system connecting the Southwest to Mesoamerica
- The Treaty of Guadalupe Hidalgo map documents the American Southwest as Aztec homeland
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