It was October 1469, and in Valladolid the 18-year-old Princess Isabella, heir to the Castilian throne, waited for the man with whom she would share her life. With Castilian politics a mael - strom of intrigue, the negotiations had proceeded for months in secret. But on about 12 October, the teenage princess’s second cousin, Ferdinand of Aragon, rode in secret into Valladolid – and for the first time, one of history’s most celebrated couples laid eyes on one another.
Both Ferdinand and Isabella were delighted with what they saw. For his part, the young Aragonese was a model Renaissance prince, brave, courteous and dashing. Isabella, mean - while, was famously beautiful: "The handsom - est lady," one witness said, "that I ever beheld." No doubt some of this was propaganda.…