High Quality Content by WIKIPEDIA articles! The Bolivian Socialist Falange (Spanish: Falange Socialista Boliviana) was a Bolivian political party established in the year 1937. A right-wing party drawing inspiration from fascism, it was the country's second-largest party between approximately 1954 and 1974. After that, its followers have tended to graviate toward the officialist military candidacy of General Juan Pereda (1978) and, especially, toward the ADN party of former dictator Hugo Banzer.