About Gregorio del Pilar
Gregorio Hilario del Pilar y Sempio (Spanish: [ɡɾeˈɣo.ɾjo ðel piˈlaɾ]; Tagalog: [gɾeˈgo.ɾjo del pɪˈlaɾ]; November 14, 1875 – December 2, 1899) was a Filipino general of the Philippine Revolutionary Army during the Philippine–American War. As one of the youngest generals in the Revolutionary Army, he was known for the successful assault on the Spanish barracks in the municipality of Paombong, his victory on the first phase Battle of Quingua and his last stand at the Battle of Tirad Pass during the Philippine–American War. Because of his youth, he became known as the "Boy General". He was also known as a ladies man and was described by National Artist for Literature Nick Joaquin as the "Byron of Bulacan". I passed the night in the barrio of Manatal." His courage and bravery in that action won him recognition and a promotion to the rank of lieutenant. Due to his closeness to Aguinaldo, del Pilar became one of the signatories of the provisional constitution of the Republic of Biak-na-Bato in November 1897. The Revolutionary Congress was then inaugurated on September 15, 1898, and del Pilar became in charge of the military parade.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.