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 Lusitania and part of Gallaecia, after 45 BC until 298 AD. The region of present-day Portugal was inhabited by Neanderthals and then by "Homo sapiens", who roamed the border-less region of the northern Iberian peninsula. These were subsistence societies that, although they did not establish prosperous settlements, did form organized societies. Neolithic Portugal experimented with domestication of herding animals, the raising of some cereal crops and fluvial or marine fishing. It is believed by some scholars that early in the first millennium BC, several waves of Celts invaded Portugal from Central Europe and inter-married with the local populations, forming different