Ninna (仁和) was a Japanese era name (年号,, nengō,, lit. "year name") after Gangyō and before Kanpyō. This period started in February 885 and ended in April 889.[1] The reigning emperors were Kōkō-tennō (光孝天皇) and Uda-tennō (宇多天皇).[2]
Events of the Ninna era
17 September 887 (Ninna 3, 26th day of the 8th month): Emperor Kōkō died at the age of 57.[3] Kōkō's third son received the succession (senso). Shortly thereafter, Emperor Uda formally acceded to the throne (sokui).[4] This was confirmed in ceremonies.[5]
12 May 887 (Ninna 3, 17th day of the 11th month): Mototsune asks Uda for permission to retire from his duties; but the emperor persuades him to continue to serve as kampaku.[6]
887 (Ninna 4, 8th month): Construction of the Buddhist temple complex at Ninna-ji (仁和寺) was completed; and a former disciple of Kōbō-daishi was named to be the leader of the monks who lived there.[6]
♯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.