June 18, 1966
Mountain Province was divided into four provinces: Benguet, Ifugao, Mountain Province and Kalinga-Apayao by virtue of Republic Act No. 4695. And then on Feb. 14, 1995, Kalinga-Apayao was converted into separate and distinct provinces through RA 7878.
June 23, 1997
The Philippine tarsier (Tarsius syrichta), found mostly in Bohol, Samar, Leyte and Mindanao is declared a specially protected faunal species by virtue of Proclamation No. 1030, signed by then President Fidel Ramos. The declaration prohibits the hunting, killing, wounding and unauthorized possession of the species, which is one of the smallest known primates in the world.
Sources: Inquirer Archives, Official Calendar of the Republic, DOT, pia.gov.ph, chanrobles.com, calumpit.gov.ph