Chōgen

was a  after Manju and before Chōryaku.  This period started in 1028 and ended in April 1037.Nussbaum, Louis-Frédéric. (2005). "Chōgen" in Japan Encyclopedia, p. 118.  The reigning emperors were  and .Titsingh, Isaac. (1834).  Annales des empereurs du Japon, pp. 156-159; Brown, Delmer et al. (1979). Gukanshō, pp. 307-310; Varley, H. Paul. (1980). Jinnō Shōtōki. p. 195-196.

Events of the Chōgen era
 15 May 1036 (Chōgen 9, 17th day of the 4th month): In the 9th year of Go-Ichijō's reign, the emperor died;Imperial Household Agency (Kunaichō), 後一条天皇 (68); retrieved 2012-5-24. and the succession (senso) was received by a his son.Brown, p. 310; Varley, p. 44; a distinct act of senso is unrecognized prior to Emperor Tenji; and all sovereigns except Jitō, Yōzei, Go-Toba, and Fushimi have senso and sokui in the same year until the reign of Emperor Go-Murakami. Compare Kunaichō,  Ceremony of Accession (Sokui-no-Rei); retrieved 2012-5-24.

 1036 (Chōgen 9, 7th month): Emperor Go-Suzaku's role as monarch was confirmed in ceremonies (sokui).Titsingh, p. 160; Varley, p. 44.

References

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

Chōgen1st2nd3rd4th5th6th7th8th9th10th  1028  1029  1030  1031  1032  1033  1034  1035  1036  1037 
Preceded by:ManjuEra or nengō:ChōgenSucceeded by:Chōryaku

Category:Japanese eras