Ferdinand V, also known as Ferdinand II of Aragon, was a significant figure in Spanish history. He was a central figure in the unification of Spain and played a key role in the completion of the Reconquista, the Christian reconquest of the Iberian Peninsula from the Moors. Ferdinand V is also known for his marriage to Isabella I of Castile, which led to the unification of Spain and the establishment of a powerful, centralized monarchy. Together, Ferdinand and Isabella sponsored the voyages of Christopher Columbus, leading to the beginning of the Spanish colonization of the Americas. Ferdinand V is remembered as a skilled ruler who helped shape the course of Spanish history during the late 15th and early 16th centuries.