Keizō Obuchi
On 7 January 1989, at 07:55 AM JST, the Grand Steward of Japan's Imperial Household Agency, Shōichi Fujimori, announced Emperor Hirohito's death at 6:33 AM JST, and revealed details about his cancer for the first time. Shortly after the death of the Emperor, Keizō Obuchi, then Chief Cabinet Secretary and later Prime Minister of Japan, announced the end of the Shōwa era, and heralded the new era name "Heisei" for the new Emperor, and explained its meaning.