Bolivia–Spain relations and Antonio José de Sucre entered Peru and defeated the Spanish forces in the country. Soon afterwards, troops led by Antonio José de Sucre entered Upper Peru and fought against royalist forces. By 1825, Upper Peru was free from Spanish authority. Originally, Bolívar wanted Upper Peru to join either Peru or Argentina, however, the people of Upper Peru convinced Bolívar and Sucre to give autonomy to the territory and on 6 August 1825, an Upper Peruvian congress declared the country independent and renamed the territory "Bolivia" in honor of Simón Bolívar and named its capital "Sucre" in honor of Antonio
Miss Peru send her representative, Mary Núñez, to the Miss Universe Pageant, because she was prevented from participating by the president of the republic, Juan Velasco Alvarado. He considered the contest was the product of American capitalism, and a country with which he did not have good relations. This was the only occasion in which a Miss Peru did not participate in the Miss Universe except for the 1955 and 1974, when no contest was held. Given the refusal of Alvarado, Mary Núñez was sent to Miss World 1973 in London, England. In 1982, Peru became the first South American country to