Order of Alhambra the last Moorish stronghold in Spain conquered by the forces of Ferdinand II of Aragon and Isabella I of Castile in 1492. It was after the completion of the Reconquista that the Spanish monarchs decided to fund Christopher Columbus' initial voyage to the Americas. Spanish, and arguably European, culture changed significantly with this change of leadership, especially since the Catholic religion became the dominant religion in the Iberian Peninsula. The significance of the conquest of the Alhambra in the spread and free practice of the Catholic faith, in Iberia and the Americas, greatly inspired the founder, much as Columbus himself
Moorish Castle and terrain involved, and the fact that mechanical transport on land was not then in use. The strategic importance of Gibraltar rose in the last years of the Moorish rule, when, after the successful Spanish reconquest of the entire Guadalquivir valley, Gibraltar became one of the key elements in communication between the Kingdom of Granada and Moorish domains in northwestern Africa. Construction of the Moorish Castle commenced in the 8th century AD (possibly AD 711); the date of its completion is not recorded. Its walls enclosed a considerable area, reaching down from the upper part of the Rock of Gibraltar