headquarters and military camp bases of the Philippine Commonwealth Army, Philippine Constabulary 2nd Constabulary Regiment, and the United States Army in Cabanatuan from February 1, 1945, to June 30, 1946, during the Allied Liberation. Before long, the combined Philippine Commonwealth and American armed forces, in cooperation with local guerrilla resistance fighters and Hukbalahap Communist guerrillas, had liberated Central Luzon from Japanese Imperial forces, a campaign that lasted from January until August 1945. In 1957, the barrios of Mataas na Kahoy, Balangkare Norte, Balangkare Sur, Sapang Kawayan, Magasawang Sampaloc, Talabutab Norte, Talabutab Sur, Platero, Belen, Pecaleon, Piñahan, Kabulihan, Pasong-Hari, Balaring, Pulong Singkamas, Panaksak, Bravo, Sapang Bato, Burol, Miller, Tila Patio, Pula, Carinay, and Acacia were separated from Cabanatuan and constituted into a separate and independent municipality known as General Mamerto Natividad. Cityhood Cabanatuan became a city by virtue of Republic Act No. 526, approved on June 16, 1950. Highly Urbanized City (HUC) In 1998, Cabanatuan was declared by then-president Fidel V. Ramos as a highly urbanized city however it failed ratification after the majority of votes in the plebiscite was negative. Cabanatuan was declared as highly urbanized city by President Benigno S. Aquino III under Presidential Proclamation No. 418 on July 14, 2012. A plebiscite scheduled in December 2012 was moved by the Commission on Elections to January 25, 2014, so as not to burden the poll body during its preparation for the 2013 local elections in the province. Incumbent Governor Aurelio Matias Umali, who had a strong voter base in the city, opposed the conversion and submitted a petition to the Supreme Court. The Supreme Court issued a temporary restraining order on January 24, 2014. On April 23, 2014, voting 9-5-1, the Supreme Court granted a petition for certiorari filed by Nueva Ecija Gov. Aurelio Umali and declared as null and void Comelec Minute Resolution No. 12-0797 dated September 11, 2012, and Minute Resolution No. 12-0925 dated October 16, 2012, setting a date for the conduct of a plebiscite in which only registered voters of Cabanatuan would be allowed to vote. The province-wide plebiscite was rescheduled for November 8, 2014, but cancelled again because the Cabanatuan City government could not provide the necessary funds. No new date is to be set until the city government certifies that 101 million is available for the holding of the plebiscite. 1990 Luzon Earthquake Cabanatuan was near the epicenter of the infamous 1990 Luzon