Nin'an (仁安), also known as Ninnan, was a Japanese era name (年号,, nengō,; lit. "year name") after Eiman and before Kaō. This period started in August 1166 ended in April 1169. The reigning emperors were Rokujō-tennō (六条天皇) and Takakura-tennō (高倉天皇).
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.
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.
29 April 1168 (Nin'an 3, 20th day of the 3rd month): Takakura accepted the monarch's role and duties and powers (sokui). This was confirmed in ceremonies.
References
↑Nussbaum, Louis-Frédéric. (2005). "Nin'an" in Japan Encyclopedia, p. 714.
♯The Northern pretenders did not recognize the Genkō era. Gentoku was used in the Northern Court until 1332. ₪The Shōkyō era was recognized only by the Northern pretenders, not by the Southern Court. ‡ Upon reunification of the Northern and Southern Courts in 1392, Genchū was discontinued. Meitoku was used until 1394.