After commanding in World War I, he became superintendent of West Point, and at the age of 30, became the youngest chief of staff of the U.S. Army. During World War II, he became allied supreme commander in the Southwest Pacific and received the surrender of the Japanese. He served as commander of the U.N. forces during the Korean War. His name was Douglas MacArthur, and he was born on this day, Jan. 26, 1880. To the cadets at West Point, Douglas MacArthur stated: "The soldier, above all other men, is required to practice the greatest act of religious training – sacrifice."