This king employed possibly the first man to speak of a “western hemisphere,” Peter Martyr d’Anghiera, whose book Opera, Legatio was often mapless because this (-5[1])king banned giving foreigners maps. This king rewarded the author of the first complete polyglot Bible, the Complutensian Polyglot Bible, for stopping a coup against him. The Gourdian knot inspired this king’s motto, “tanto monta, monta tanto,” derived from his prenup. Cosmographers upkept the Padrón Real at an institution founded by this king’s wife, the (*) Casa de Contratación. This (10[1])last king from the House of (10[1])Trastámara ruled one territory on behalf of his daughter Joanna the Mad. The surrender of Boabdil confirmed this king’s capture of Granada, ending the Reconquista. For 10 points, name this Spanish King who ruled alongside Isabella I of Castille. ■END■