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.
- Occupation
- monarch
- Position held
- Monarch of Castile and Leon, Grand Master of the Order of Santiago, Q45287025, Prince of Asturias
- Citizenship
- Crown of Castile
- Born
- January 5, 1425, 1425
- Died
- December 11, 1474