The Front of the Bolivian Revolution, established in 1965 for the 1966 presidential and congressional elections, presented as its presidential candidate Ren Barrientos Ortuo (independent), a Bolivian military officer and politician who served as the 47th President of Bolivia twice non-consecutively from 1964 to 1966 and from 1966 to 1969.
Rene Barrientos Ortuno (30 May 1919  27 April 1969) was a Bolivian military officer and politician who served as the 47th President of Bolivia twice nonconsecutively from 1964 to 1966 and from 1966 to 1969. The Front of the Bolivian Revolution was established in 1965, for the 1966 presidential and congressional elections. It presented as its presidential candidate Rene Barrientos Ortuno (independent) and Luis Adolfo Siles Salinas (PSD), as vice-presidential candidate. 
