Chōkan

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Chōkan (長寛) was a Japanese era name (年号, nengō, lit. "year name") after Ōhō and before Eiman. This period spanned the years from March 1163 through June 1165.^[1] The reigning emperors were Nijō-tennō (二条天皇) and Emperor Rokujō-tennō (六条天皇).^[2]

• February 5, 1163 Chōkan gannen (長寛元年): The new era name was created to mark an event or series of events. The previous era ended and a new one commenced in Ōhō 3, on the 29th day of the 3rd month.^[3]

• 1163 (Chōkan 1, 1st month): Taira no Shigemori (1138–1179) was promoted to the second rank of the 3rd class in the court hierarchy.^[4]
• 1163 (Chōkan 2, 2nd month): A large congregation of Buddhist priests came together at the Tōdai-ji and Kōfuku-ji temples to recite prayers for the prosperity of the Imperial Family.^[4]
• September 14, 1164 (Chōkan 2, on the 26th day of the 8th month): The former-Emperor Sutoku died at the age of 46.^[3]

• 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