1489Entoku gannen (延徳元年): The era name was changed to mark an event or a number of events. The old era ended and a new one commenced in Chōkyō 3.
Events of the Entoku era
April 26, 1489 (Entoku 1, 26th day of the 3rd month): The shōgunYoshihisa died at age 25 while leading a military campaign in Ōmi Province. He had led the shogunate for 18 years. His father, the former Shogun Yoshimasa, was strongly afflicted by his death; and because of this unanticipated development, he was moved to reconcile with his brother, Yoshimi.
January 27, 1490 (Entoku 2, 7th day of the 1st month): The former shōgunYoshimasa died at age 56.