Ascension
On December 25, 1926, Hirohito assumed the throne upon the death of his father Yoshihito; and the Crown Prince was said to have received the succession (senso). The Taishō era ceased at once and a new era, the Shōwa era (Enlightened Peace), was proclaimed. The deceased Emperor was posthumously renamed Emperor Taishō a few days later. Following Japanese custom, the new Emperor was never referred to by his given name, but rather was referred to simply as "His Majesty the Emperor" (天皇陛下, tennō heika?), which may be shortened to "His Majesty" (陛下, heika?). In writing, the Emperor was also referred to formally as "The Reigning Emperor" (今上天皇, kinjō tennō?).
In November 1928, the Emperor's ascension was confirmed in ceremonies (sokui) which are conventionally identified as "enthronement" and "coronation" (Shōwa no tairei-shiki); but this formal event would have been more accurately described as a public confirmation that his Imperial Majesty possesses the Japanese Imperial Regalia, also called the Three Sacred Treasures, which have been handed down through the centuries.
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