MEXICO CITY (AP) — It was one of the worst defeats in one of history’s most dramatic conquests: Only a year after Hernan Cortes landed in Mexico, hundreds of people in a Spanish-led convey were captured, sacrificed and apparently eaten.

Excavations at a site just east of Mexico City are yielding dramatic new details about that moment when two cultures clashed — and the native defenders, at least temporarily, were in control. MORE