The approval of the project

After many years of traveling between European courts, Christopher Columbus found the sponsor of his enterprise.  The Catholic Kings of Spain decided to support him, undoubtedly thanks to the favorable intercession of Antonio de Marchena (earlier of the La Rábida monastery), Luis de Santángel (administrator of the funds of the Holy Sisterhood and confidant of King Fernando of Aragón), Diego de Deza and Friar Juan Pérez (confessor to Queen Isabella I of Castile).  This resulted in the signing of the Capitulaciones de Santa Fe, April 17, 1492.