Isabella of Castile was a canny monarch with the tenacity and skill to create a colonial empire. In so doing, she ruthlessly brutalized her enemies, and left an indelible mark on world history.
Isabella of Castile went from being a toddler in a ghost castle to a teen peace treaty negotiator to a 23-year-old Queen and she was just getting started.
Isabel of Portugal is best known now for her reputation for madness. As is ever the case, the truth of her life is not quite so straightforward.