The rise and fall of the Templar order constitutes a decisive episode in medieval history., and the destruction of the order constitutes a pivotal point that fundamentally altered the direction of society. Much of the history revolves around France, home of the chief commandery in Paris and in the Latin States of the Middle East. Until now the Order’s contribution to events in the Iberian Peninsula have remained obscure and unexplored. The important role of the Templars in the Reconquista that saw the Moors expelled from Spain is reviewed. They had great influence in Castile, Navarre, Catalonia, and Aragon. The author explores the Order’s suppression in Spain and their survival in Portugal by changing their name. The important role of the Templars as teachers of the Spanish King James I, known as the Conqueror, influenced by them in attempting a universal theocratic empire.