On April 9, 1942, officials in command of Bataan—where Filipino and American forces maintained the main resistance in the war against the Japanese—formally surrendered. Through the Voice of Freedom radio broadcast, Third Lieutenant Normando Ildefonso Reyes—reading a message prepared by Captain Salvador P. Lopez—informed the Philippines and the world from Malinta Tunnel in Corregidor: “Bataan has fallen.”
https://www.officialgazette.gov.ph/araw-ng-kagitingan/
