A flag raising ceremony was held in the DPWH Regional Office 9 at exactly 8:00 a.m. today, May 28, 2019. RD Cayamombao D. Dia lead the recitation of the “Pagpupugay,” the Salute to a Clean Flag Manifesto. The observance of the 121st National Flag Day commemorates the “Battle of Alapan” on May 28, 1898, when Emilio F. Aguinaldo won against the Spanish troops leading to the declaration of the Philippine Independence on June 12, 1898. The event aims to strengthen nationalism and patriotism among the Filipino people. DPWH RO9 “Stop and Salute” photos were posted on the social media account #SaluteToACleanFlag.