Noun
the king of Castile and Aragon who ruled jointly with his wife Isabella; his marriage to Isabella I in 1469 marked the beginning of the modern state of Spain and their capture of Granada from the Moors in 1492 united Spain as one country; they instituted the Spanish Inquisition in 1478 and supported the expedition of Christopher Columbus in 1492 (1452-1516)
Source: WordNetI had thought the transformation surprising enough when King Ferdinand was turned into a saint, but this tops all! James Branch Cabell
Alberobello was feud of the Acquaviva of Aragon until May 27, 1797, when King Ferdinand IV of Bourbon received Alberobello and issued a decree that elevated the small village to a royal city, freeing them from feudal serfdom. Source: Internet
As King Ferdinand I of Naples was threatening to come to the aid of the rightful duke Gian Galeazzo, the husband of his granddaughter Isabella, Alexander encouraged the French king in his plan for the conquest of Naples. Source: Internet
Gardiner, p. 29 Despite pleas from Nelson and Hamilton, King Ferdinand of Naples refused to lend his frigates to the British fleet, fearing French reprisals. Source: Internet
A protracted conflict with King Ferdinand I of Naples was the principal obstacle. Source: Internet
Now, before they had left, King Ferdinand and Queen Isabella had promised to whoever spotted land first a reward of a silken jacket and an annuity of ten thousand maravedis. Source: Internet