2019 Japanese imperial transition The Japanese Era Reiwa begins as Emperor Naruhito accedes to the Chrysanthemum Throne as the 126th Emperor of Japan. The Emperor inherits two of the Three Sacred Treasures of Japan during a symbolic ceremony, which formalises his ascension. Emperor Naruhito assumes throne to mark new Reiwa era - The Mainichi © The Mainichi Sources: BBC News The Mainichi