Pedro Tongio Liongson was a member of the Malolos Congress which wrote the constitution of the First Philippine Republic in 1899 and served as First Director of Military Justice in the Republic's army during the Philippine–American War of 1899–1901. A trained lawyer and judge, Col. Liongson figured in and left his mark on a number of historic events in the Philippines.

Bacolor, officially the Municipality of Bacolor, is a 3rd class municipality in the province of Pampanga, Philippines. According to the 2020 census, it has a population of 48,066 people.