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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 started in October 1256 and ended in March 1257.[1] The reigning emperor was Go-Fukakusa-tennō (後深草天皇).[2]

Events of the Kōgen era[change | change source]

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

Related pages[change | change source]

References[change | change source]

  1. Nussbaum, Louis-Frédéric. (2005). "Kōgen" in Japan encyclopedia, p. 542.
  2. Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 248-253; Varley, H. Paul. (1980). Jinnō Shōtōki. p. 231-232.
  3. 3.0 3.1 Titsingh, p. 252.

Other websites[change | change source]

Kōgen 1st 2nd
1256 1257
Preceded by:
Era or nengō:
Succeeded by: