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
TAP Air Portugal would lead to Swissair buying a 34% stake of TAP. Also, TAP became a member of Qualiflyer, the frequent-flyer program led by the Swiss flag carrier. Due to financial difficulties, the Swiss company ends up not buying the agreed shares of TAP Air Portugal, unilaterally revoking the partnership agreement which led to unexpected costs for the Portuguese airline in 2000, with the culmination of a legal action taken against Swissair. TAP became a member of Star Alliance on 14 March 2005, the same day on which the company celebrated its 60th anniversary. TAP Air Portugal was re-branded as TAP Portugal