Ferdinand II of Aragon

Ferdinand II (Aragonese: Ferrando; Catalan: Ferran; Basque: Errando; Spanish: Fernando; 10 March 1452 – 23 January 1516), also called Ferdinand the Catholic (Spanish: el Católico), was King of Aragon and Sardinia from 1479, King of Sicily from 1469, King of Naples (as Ferdinand III) from 1504 and King of Navarre (as Ferdinand I) from 1512 until his death in 1516. He was King of Castile and León (as Ferdinand V) from 1475 to 1504, alongside his wife Queen Isabella I. From 1506 to 1516, he was the Regent of the Crown of Castile, making him the effective ruler of Castile.