ABSTRACT The chronology of the pre-colonial city of Chichen Itza is quite controversial. This is due to an old problem that relates to the great amount of literature that has occurred since the discovery of the site on a possible foreign invasion of the called Toltecs, whose capital, Tula, is more than thousand miles away, in the Mexican plateau. Due to the similarity of the architectural structures between both sites, it was long postulated that Chichén Itzá was a Toltec enclave in the Maya area. From the 1980s on, the discussion became heated and what was considered to be Toltec could actually be a style of art, architecture and iconography shared by several urban centers of the Epiclassic, ca. 800-1000 AD, as many in the Mexican highland...