Bolivia held a parliamentary elections in May 1912, electing a new National Congress (for half the seats of the Deputies and 1/3 the seats of the Senators).
Congressional Elections results
The new senators: Mariano Méndez Roca, PL (Béni); David Cronenbold, PL (Béni); Cupertino Arteaga, PL (Chuquisaca); Benedicto Goytia, PL (La Paz); Angel Menacho, PL PL (Santa Cruz); Adolfo Trigo Achá, PL (Tarija).
References
Bolivian legislative election, 1912 Wikipedia(Text) CC BY-SA