The American military base of Camp John Hay in Baguio was the first place in the Philippines bombed by the Japanese on December 8, 1941. On December 27, Japanese forces captured Baguio virtually unopposed by American and Filipino forces. The 500 American and other civilians resident in the city were first interned at Camp John Hay. On April 23, 1942 the Westerners and 300 Chinese internees were moved by bus to Camp Holmes, about north of Baguio and Camp John Hay.Halsema, James J. E. J. Halsema: Colonial Engineer A Biography. Quezon City: New Day Publishers, 1991, pp 292-293.
