The Conquerors – Documentary – S1, Ep3 – Conqueror of Mexico January 25, 2021 Nicola Featured Military Videos, The Conquerors - Documentary Series (2005) Conqueror of Mexico How Spanish general Hernan Cortes and his 500 Conquistadors mercilessly conquered the Aztec Empire and placed large portions of Mexico under the rule of the King of Castile in the early 16th century.