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Chōtoku (長徳) was a Japanese era name (年号, nengō, lit. "year name") after Shōryaku and before Chōhō. This period spanned the years from February 995 through January 999.^[1] The reigning emperor was Ichijō-tennō (一条天皇).^[2]

• 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.^[3]

• 995 (Chōtoku 1): Fujiwara no Michinaga is given the office of Udaijin.^[4]
• 996 (Chōtoku 2, 7th month): Michinaga become Sadaijin; and Fujiwara no Akimitsu is named Udaijin.^[5]

• Brown, Delmer M. and Ichirō Ishida, eds. (1979). Gukanshō: The Future and the Past. Berkeley: University of California Press. ISBN 978-0-520-03460-0; OCLC 251325323
• Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ISBN 978-0-674-01753-5; 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. ISBN 9780231049405; OCLC 6042764

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

This article about a Japanese era name is a stub. You can help Wikipedia by expanding it.

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