Chōtoku

Chōtoku (長徳) was a Japanese era name (年号) after Shōryaku and before Chōhō. This period spanned the years from February 995  through January 999. The reigning emperor was Ichijō-tennō (一条天皇).

Change of era

 * 995 Chōtoku gannen (長徳元年): The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Shōryaku 6, on 22 February 995.

Events of the Chōtoku era

 * 995 (Chōtoku 1): Fujiwara no Michinaga is given the office of Udaijin.
 * 996 (Chōtoku 2, 7th month): Michinaga become Sadaijin; and Fujiwara no Akimitsu is named Udaijin.