2013 Davao Occidental creation plebiscite
On October 28, 2013, residents of Davao del Sur voted in a plebiscite to approve or disapprove the creation of the then proposed province of Davao Occidental. == Background == The creation of Davao Occidental was first proposed by then Davao del Sur congressman, Marc Douglas Cagas IV in 2013, while his father, Douglas Cagas, was still the governor of Davao del Sur.
Source: Wikipedia — 2013 Davao Occidental creation plebiscite (CC BY-SA 4.0)