Kōgen

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Kōgen (康元) was a Japanese era name (年号, nengō, lit. "year name") after Kenchō and before Shōka. This period spanned the years from October 1256 to March 1257.^[1] The reigning emperor was Go-Fukakusa-tennō (後深草天皇).^[2]

Change of era

• 1256 Kōgen gannen (康元元年): 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 Kenchō 8.

Events of the Kōgen era

• September 1, 1256 (Kōgen 1, 11th day of the 8th month): Kujō Yoritsune, also known as Fujiwara Yoritsune, died at the age of 39 years.^[3]
• October 14, 1256 (Kōgen 1, 24th day of the 9th month): Yoritsune's son and successor as Kamakura shōgun, Kujō Yoritsugu, also known as Fujiwara Yoritsugu, died at the age of 18 years.^[3]

Notes

References

• 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 978-0-231-04940-5; OCLC 6042764

External links

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

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