Chōhō (era)

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Chōhō (長保) was a Japanese era name (年号, nengō, lit. "year name") after Chōtoku and before Kankō. This period spanned the years from January 999 through July 1004.^[1] The reigning emperor was Ichijō-tennō (一条天皇).^[2]

• 999 Chōhō gannen (長保元年): 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 Chōtoku 5, on the 13th day of the 1st month of 999.^[3]

• 999 (Chōhō 1, 11th month: A daughter of Fujiwara no Michinaga is accepted into the Imperial household as Emperor Ichijō's second empress consort. Aikio, better known as Fujiwara no Shōshi (988-1074), is given the title of Chūgū.^[4]
• 1001 (Chōhō 3, 11th month): The Imperial palace was destroyed by fire.^[4]
• 1001 (Chōhō 3, 12th month): The widow of Emperor En'yū and the mother of Emperor Ichijō died. She was formerly known as Fujiwara no Senshi.^[4]

• 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