 Montejo was appointed "alcalde mayor" (a local colonial governor) of Tabasco in 1529, and pacified that province with the aid of his son, also named Francisco de Montejo.D'Avila was sent from eastern Yucatán to conquer Acalan, which extended southeast of the Laguna de Terminos.Montejo the Younger founded Salamanca de Xicalango as a base of operations.