Nin'an

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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 spanned the years from August 1166 through April 1169.^[1] The reigning emperors were Rokujō-tennō (六条天皇) and Takakura-tennō (高倉天皇).^[2]

• February 3, 1166 Nin'an gannen (仁安元年): The new era name was created to mark an event or series of events. The previous era ended and a new one commenced in Eiman 2, on the 27th day of the 8th month of 1166.^[3]

• 1168 (Nin'an 3, 2nd month ): Rokujō was deposed at age 5, and he received the title Daijō-daijin tennō.^[4]
• March 30, 1168 (Nin'an 3, 19th day of the 2nd month): In the 3rd year of Rokujō-tennō's reign (六条天皇3年), the emperor was deposed by his grandfather, and the succession (senso) was received by his cousin, the third son of the retired-Emperor Go-Shirakawa. Sometime thereafter, Emperor Takakura is said to have acceded to the throne (sokui), and he is proclaimed emperor.^[5]
• April 29, 1168 (Nin'an 3, 20th day of the 3rd month): Takakura succeeds Rokujo on the Chrysanthemum Throne.^[6]

Sources

• Brown, Delmer M. and Ichirō Ishida, eds. (1979). Gukanshō: The Future and the Past. Berkeley: University of California Press. ISBN 978-0-520-03460-0; OCLC 251325323
• 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 9780231049405; OCLC 6042764

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