was a after Shōryaku and before Chōhō. This period spanned the years from February 995 through January 999.Nussbaum, Louis-Frédéric. (2005). "Chōtoku" in ; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see . The reigning emperor was .Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 150-153; Brown, Delmer et al. (1979). Gukanshō, p. 302-307; Varely, H. Paul. (1980). Jinnō Shōtōki, pp. 192-195.

Change of era 995 : 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.Brown, p. 305.

Events of the Chōtoku era 995 (Chōtoku 1): Fujiwara no Michinaga is given the office of Udaijin.Titsingh, p. 152. 996 (Chōtoku 2, 7th month): Michinaga become Sadaijin; and Fujiwara no Akimitsu is named Udaijin.Titsingh, p. 153.

Notes

References Brown, Delmer M. and Ichirō Ishida, eds. (1979). Gukanshō: The Future and the Past. Berkeley: University of California Press. ; OCLC 251325323 Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ; OCLC 58053128 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 Varley, H. Paul. (1980). A Chronicle of Gods and Sovereigns: Jinnō Shōtōki of Kitabatake Chikafusa. New York: Columbia University Press. ; OCLC 6042764

External links National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection