Ninna

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Ninna (仁和) was a Japanese era name (年号, nengō, "year name") after Gangyō and before Kanpyō. This period spanned the years from February 885 through April 889.^[1] The reigning emperors were Kōkō-tennō (光孝天皇) and Uda-tennō (宇多天皇).^[2]