The Columbia Encyclopedia, Sixth Edition. 2001-07.
Henry III, Spanish king of Castile and León
13791406, Spanish king of Castile and León (13901406), son and successor of John I. His marriage (1388) to Catherine, daughter of John of Gaunt, ended a long dynastic conflict. Henry consolidated royal authority against the nobles. He also sent a fleet that destroyed (1400) Tétouan in N Africa, dispatched envoys to Timur, and sponsored the colonization of the Canary Islands. He was succeeded by his son John II.