Which event took place first, Operation Undertone or the Battle of Leyte?
Battle of Leyte The Battle of Leyte in the Pacific campaign of World War II was the amphibious invasion of the Gulf of Leyte in the Philippines by American forces and Filipino guerrillas under the command of General Douglas MacArthur, who fought against the Imperial Japanese Army in the Philippines led by General Tomoyuki Yamashita from 17 October - 26 December 1944. The operation code named "King Two" launched the Philippines campaign of 1944–45 for the recapture and liberation of the entire Philippine Archipelago and to end almost three years of Japanese occupation.
Philippines Campaign (1944–1945) The Philippines campaign, the Battle of the Philippines or the Liberation of the Philippines (Filipino: "Kampanya ng Pilipinas", "Labanan sa Pilipinas" & Liberasyon "sa Pilipinas"), (Operation Musketeer I, II, and III) (Filipino: Operasyon "Mosketero I", "II", "at" "III"), was the American and Filipino campaign to defeat and expel the Imperial Japanese forces occupying the Philippines during World War II. The Japanese Army overran all of the Philippines during the first half of 1942. The liberation of the Philippines commenced with amphibious landings on the eastern Philippine island of Leyte on October 20, 1944. United States and Philippine Commonwealth military forces were progressing in liberating territory and islands when the Japanese forces in the Philippines were ordered to surrender by Tokyo on August 15, 1945, after the dropping of the atomic bombs on mainland Japan and the Soviet invasion of Manchuria.