Portugal–Spain relations of Enlightenment. Until then the word Spain (Hispânia) was only a geographic location referring exclusively to the Iberian peninsula. It was only in the constitution of 1812 that the name "Españas" (Spains) was adopted for the country along with the use of the title of "king of the Spains". The constitution of 1876 adopts for the first time the name "Spain" for the Spanish state and from then on the kings would use the title of "king of Spain". Portugal, Castille and Aragon were allies in the "Reconquista" in which they reconquered land from the Muslim Moors in the south
Portugal in the Middle Ages privileges and favours given to the Roman Catholic Church were compensated. In the papal bull " Manifestis Probatum", Pope Alexander III acknowledged Afonso as King and Portugal as an independent land with the right to conquer lands from the Moors. With this papal blessing, Portugal was at last secured as a country and safe from any Leonese attempts at annexation. In 1184, in spite of his great age, King Afonso of Portugal still had sufficient energy to relieve his son Sancho, who was besieged in Santarém by the Moors. He died shortly after, on December 6, 1185. Afonso had already