2019 Japanese imperial transition

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The 2019 Japanese imperial transition occurred on 30 April 2019 when the then 85-year-old Emperor Akihito of Japan abdicated from the Chrysanthemum Throne after reigning for 30 years,^[1] becoming the first Emperor of Japan to do so since Emperor Kōkaku in 1817. This marked the end of the Heisei era and the inception of the Reiwa era, and saw numerous festivities leading up to the accession of his eldest son and successor, Emperor Naruhito.^[2] The Enthronement Ceremony took place on 22 October 2019.^[3] Akihito's younger son, Prince Akishino, is his brother's heir presumptive. The ceremony cost 16.6 billion Yen.^[4]