Chōkyō gannen(長享元年,Chōkyō gannen?); 1487: The era name was changed to mark an event or a number of events. The old era ended and a new one commenced in Bunmei 19.
Events of the Chōkyō era
Chōkyō 1 (1487): Takatskasa-no Masahira was replaced as kampaku by the former naidaijin Kiyosho-no Masatada.[2]
Chōkyō 1, in the 8th month (1487): Udaijin Ōe-no mikado Nobukatsu died at age 42.[2]