Kyōtoku

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. The reigning emperor was Go-Hanazono-Tennō (後花園天皇).

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 the modern era.
 * 1454 (Kyōtoku 3): Ashikaga Shigeuji orchestrated for the killing of Uesugi Noritada, thus beginning a series of conflicts for control of the Kantō; and this event would come to be known as the Kyōtoku no Ran.