Name: Hirohito Birth: April 29, 1901 Aoyama Detached Palace, Akasaka-ku, Tokyo City, Tokyo Prefecture (40 years old as of 1941) Age: 40 Enthronement: November 10, 1928 Kyoto Imperial Palace, Kyoto City, Kyoto Prefecture Height: 165cm Reign Period 124th Emperor of Japan December 25, 1926 – January 7, 1989 The 124th Emperor of Japan. The eldest son of Emperor Taisho and Empress Teimei, he was the supreme commander-in-chief under the Constitution of the Empire of Japan. His childhood title was Prince Michi, and his given name is Hirohito. The era name used during his reign is 'Showa'. Ascending the throne at the young age of 25, he reigned for a long period until his death in 1989 at the age of 87. At the time of his death, he was the longest-lived emperor since the Kofun period and remains the longest-reigning emperor to this day.