Henry IV of Castile

Born

January 5, 1425

Died

December 11, 1474 (aged 49)

Known as

monarch

Henry IV, nicknamed the Impotent, was King of Castile and León and the last of the weak late-medieval kings of Castile and León. During Henry's reign, the nobles became more powerful and the nation became less centralised.

Biography from Wikipedia, available under CC BY-SA 4.0.