Alphonse X , called «the Wise «, He was king of Castile and León from 1252 to 1284. Apart from his work in the reconquest, he was a great patron of culture and art, as well as the author of important literary works ( Songs ) and legal (Siete Partidas ). A fan of astronomy, he ordered the famous Arab astronomers to build tables of planetary movements; Given the difficulty in understanding them, he released:
If God had consulted me before creating the world, he would have done things better!
We do not know if he was very grown up with the desire to be crowned emperor or had a moment of transient mental alienation.