[3] In the early 1980s, the councils of six barangays, along with residents of Maras, in the then southern Sindangan demanded for a new municipality, which was originally proposed to be called Talinga, with the barangay with the same name, located 11 kilometers from Poblacion, to be the seat of government.

204 on March 25, 1982; 17 barangays in southwestern part of the mother municipality, but excluding Maras,[5] were separated to create the municipality, originally named Bacungan, with another barangay with the same name, which was not included in the original plan,[5] to be the seat of government.

[6] A plebiscite for ratification, along with ten more newly-created local entities including nearby Godod, was held on May 17, coinciding with the barangay elections.

6830 on December 30, 1989,[8] in honor of Leon Bayot Postigo, a Philippine Constabulary corporal whose 10-hectare lot in the town was donated by his heirs to the local government.

Poverty incidence of Leon B. Postigo Source: Philippine Statistics Authority[15][16][17][18][19][20][21][22]