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In page 435:

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  • August 10 – A figure known to Mayanist scholars as "Casper" begins a 52-year reign in the Mayan city-state of Palenque what is now the state of Chiapas in southern Mexico, and reigns until his death in 487.[citation needed]
  • December 8 – On the Mayan calendar, the era of the 9th Baktun begins. There is a change in political alliances just preceding the event when royal personages from the Mexican highland city of Teotihuacan consolidate power individually as Mayan kings.[citation needed]