Known as “Ferdinand the Catholic.” 1452–1516.
King of Castile and León (1474–1504) who ruled jointly with his wife, Isabella I. He was also king of Sicily (1468–1516) and Aragon (1479–1516) as Ferdinand II and of Naples (1504–1516) as Ferdinand III. Ferdinand and Isabella united two kingdoms with their marriage and inaugurated the modern Spanish state. They expelled Muslims and Jews from Spain and sponsored Christopher Columbus's voyages.