Bolivia held a parliamentary election in May 1916, 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: Zenón C. Orias, PL (Chuquisaca); Germán Zegarra, PL (Cochabamba); César M. Ochávez, PL (Cochabamba); Julio Zamora, PL PL (Oruro); Atiliano Aparicio, PL (Oruro).
References
Bolivian legislative election, 1916 Wikipedia(Text) CC BY-SA