Why go
The Chilam Balam books and Spanish reports are useful companions to the ruins when read carefully. They preserve names and events that buildings cannot, while revealing why a single later narrative cannot settle the city’s chronology. Their different calendars and authorship explain many apparent contradictions.
The full story
Three of the seventeenth- and eighteenth-century Yucatán village books known as the Chilam Balam books include chronicle-like lists arranged by k’atun ajaw periods. A k’atun is close to twenty years, but its thirteen possible names repeat after roughly 256 years. These labels therefore cannot fix an event to one European calendar year without other evidence. The books also contain prophecies that may echo historical events, though their meaning and dating remain disputed. Sixteenth-century Spanish texts offer a different record. Diego de Landa’s account is especially important, yet it survives in a later copy that may have been substantially edited. The fifty Relaciones de Yucatán were prepared between 1577 and 1581 by local officials using a formal questionnaire and Indigenous informants. Several reports from parts of Yucatán relied on Gaspar Antonio Chi, so they should not all be treated as independent testimony. Read these works as layered sources: they preserve valuable information, but their authors, informants and later transmission shaped what reached us.