Tennin (天仁) was a Japanese era name (年号, nengō, "year name") after Kajō and before Ten'ei. This period spanned the years from August 1108 through July 1110.[1] The reigning emperor was Toba-tennō (鳥羽天皇).[2]
^Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 178–181; Brown, Delmer et al. (1979). Gukanshō, pp. 320–322; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 203–204.