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Kyōtoku (享徳) was a Japanese era name (後花園天皇) after Hōtoku and before Kōshō. This period spanned the years from July 1452 through July 1455.[1] The reigning emperor was Go-Hanazono-Tennō (後花園天皇).[2]

Change of era

  • 1452 Kyōtoku gannen (享徳元年): The era name was changed to mark an event or a number of events. The old era ended and a new one commenced in Hōtoku 4.

Events of the Kyōtoku era

  • 1453 (Kyōtoku 2, 6th month): The name of the Shōgun, "Yoshinari", was changed to Ashikaga Yoshimasa, which is the name by which he is more commonly known in modern times.[3]
  • 1454 (Kyōtoku 3): Ashikaga Shigeuji orchestrated for the killing of Uesugi Noritada,[4] thus beginning a series of conflicts for control of the Kantō; and this event would come to be known as the Kyōtoku no Ran.[5]


  1. ^ Nussbaum, Louis-Frédéric. (2005). "Kyōtoku" in Japan encyclopedia, p. 587; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File Archived 2012-05-24 at
  2. ^ Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 331-347.
  3. ^ Titsingh, p. 346.
  4. ^ Hall, John Whitney. (1988). The Cambridge History of Japan: Medieval Japan, p. 233.
  5. ^ Nussbaum, "Kyōtoku-no-ran" in Japan encyclopedia, p. 587.


  • Hall, John Whitney. (1988). The Cambridge History of Japan: Medieval Japan. Cambridge: Cambridge University Press. ISBN 978-0-521-22354-6
  • Nussbaum, Louis Frédéric and Käthe Roth. (2005). Japan Encyclopedia. Cambridge: Harvard University Press. ISBN 978-0-674-01753-5; OCLC 48943301
  • Titsingh, Isaac. (1834). Nihon Odai Ichiran; ou, Annales des empereurs du Japon. Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691

External links

Preceded by
Era or nengō

Succeeded by