Ninju (仁寿) was a Japanese era name (年号, nengō, "year name") after Kashō and before Saikō. This period spanned the years from April 851 through November 854.[1] The reigning emperor was Montoku-tennō (文徳天皇).[2]
^Titsingh, Isaac. (1834). Annales des empereurs du japon, p. 112; Brown, Delmer et al. (1979). Gukanshō, pp. 264–265; Varley, H. Paul. (1980). Jinnō Shōtōki, p. 165.