Both Fernand of Aragon and Isabella of Castille were royal cousins that were forced to married in the year of 1469 so both of their kingdoms could rise together and for the benefit of their community to save them and the kingdom. They succeed in their alliance that both received an honor for best administers. Once in Spain in the year of 1942 they impressed Granada and they achieved a new record and honor. ( countrystudies.us/spain/7.htm )