Iberism
Iberism (Aragonese, Basque, Galician, Portuguese and Spanish: Iberismo; Asturian and Leonese: Iberismu; Mirandese: Eiberismo; Catalan and Occitan: Iberisme), also known as pan-Iberism or Iberian federalism, is the pan-nationalist ideology supporting a unification of Portugal and Spain. == Background and precursors == Portugal and Spain share a common history to some degree.