Ten'en

Ten'en (天延) was a Japanese era (年号,, nengō,, lit. "year name") after Tenroku and before Jōgen. This period started in December 973 and ended in July 976.^[1] The reigning emperor were En'yu-tennō (円融天皇).^[2]

1. ↑ Nussbaum, Louis-Frédéric. (2005). "Ten'en" in Japan Encyclopedia, p. 958.
2. ↑ Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 144-146; Brown, Delmer et al. (1979). Gukanshō, p. 299-300; Varely, H. Paul. (1980). Jinnō Shōtōki, pp. 191-192.