A government-sponsored ceremony marking 30 years of Emperor Akihito's reign was held Sunday at the National Theatre of Japan in Tokyo ahead of his abdication on April 30. Here is a look at the major events related to him:Dec. 23, 1933 -- Born as the eldest son of Emperor Hirohito and Empress Nagako, posthumously called Emperor Showa and Empress Kojun, respectively.September, 1939 -- World War II begins.Aug. 15, 1945 -- Emperor Hirohito tells the nation over radio of Japan's surrender in the war.Nov. 10, 1952 -- Becomes crown prince after coming-of-age at 18.March 30-Oct. 12, 1953 -- Visits …READ FULL ARTICLE