Nguyen Van Nhung
He joined the French Army in 1944. This was when Vietnam was still ruled by France. During the First Indochina War, he left the French Army and joined Vietnamese National Army, which was supported by France. After the Republic of Vietnam was formed, he became a soilder of the Army of the Republic of Vietnam. In November 1963, he killed President Ngo Dinh Diem and his brother.