Nin'an

, also known as Ninnan, was a  after Eiman and before Kaō.  This period started in August 1166 ended in April 1169.Nussbaum, Louis-Frédéric. (2005). "Nin'an" in Japan Encyclopedia, p. 714. The reigning emperors were  and .Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 194-195; Brown, Delmer et al. (1979). Gukanshō, pp. 329-330; Varley, H. Paul. (1980). Jinnō Shōtōki. p. 212.

Events of the Nin'an era
 1168 (Nin'an 3, 2nd month ):  Rokujō was deposed at age 5, and he received the title Daijō-daijin tennō.Titsingh,  p. 195.

 30 March 1168 (Nin'an 3, 19th day of the 2nd month): In the 3rd year of Rokujō's reign, the emperor was deposed by his grandfather. The succession (senso) was received by the emperor's cousin who was the third son of former-Emperor Go-Shirakawa.Titsingh,   p. 195; Brown, p. 330.

 29 April 1168 (Nin'an 3, 20th day of the 3rd month): Takakura accepted the monarch's role and duties and powers (sokui).Kitagawa, H. (1975). The Tale of the Heike, p.783.  This was confirmed in ceremonies.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 Imperial Household Agency (Kunaichō),  Ceremony of Accession (Sokui-no-Rei); retrieved 2012-2-23.

References

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

 Nin'an  1st  2nd  3rd  4th  Gregorian  1166  1167  1168  1169  
Preceded by:EimanEra or nengō:Nin'anSucceeded by:Kaō

Category:Japanese eras