Which event took place first, Operation Undertone or the Battle of Leyte?
Operation Undertone Operation Undertone was a large assault by the U.S. Seventh and French 1st Armies of the U.S. Sixth Army Group as part of the Allied invasion of Germany in March 1945 during World War II.
Battle of Mindoro The Battle of Mindoro was a battle in World War II between forces of the United States and Japan, in Mindoro Island in the central Philippines, from 13–16 December 1944, during the Philippines Campaign.