Complex sentence: Several important events in the history of Guadalajara occurred in the canyon, from 19th century during the Spanish Conquest combats between the natives indegenous of Huentitán and the Spaniards took place in this area.
Split into simpler sentences: Several important events in the history of Guadalajara occurred in the canyon. In the 19th century, during the Spanish Conquest combats between the natives indigenous of Huentitán and the Spaniards took place in this area.