The Conquest of Mexico DVD. The Conquest of Mexico DVD is an exciting overview of the daring exploits of Spanish conquistador Hernando Cortez, whose 1519 invasion of the Aztec Empire led to the conquest and Christianization of Mexico. In this video, Phillip Campbell takes us on a trip to 16th century Mexico, following in the footsteps of Cortez and his tiny band of dedicated followers in their struggle against the brutal Aztecs. Approximate run-time: 40 minutes. $19.95 USD + shipping. Click here for product page and ordering.