Juan Pacheco was a notable figure in the history of Spain, particularly during the 15th century. He served as a military leader and was known for his role in the Spanish nobility. Pacheco held the title of Marquis of Villena and was influential in the political landscape of his time. In addition to his military achievements, Pacheco was also a patron of the arts and education. He supported various cultural initiatives and was associated with the University of Alcalá. His legacy includes contributions to both military and cultural developments in Spain.