Tenroku

964–968	Kōhō
968–970	Anna
970–973	Tenroku
973–976	Ten'en
976–978	Jōgen
978–983	Tengen
983–985	Eikan
985–987	Kanna
987–988	Eien
988–990	Eiso
990–995	Shōryaku
995–999	Chōtoku
999–1004	Chōhō
1004–1012	Kankō
1012–1017	Chōwa
1017–1021	Kannin
1021–1024	Jian
1024–1028	Manju
1028–1037	Chōgen
1037–1040	Chōryaku

806–810	Daidō
810–824	Kōnin
824–834	Tenchō
834–848	Jōwa
848–851	Kashō
851–854	Ninju
854–857	Saikō
857–859	Ten'an
859–877	Jōgan
877–885	Gangyō
885–889	Ninna
889–898	Kanpyō
898–901	Shōtai
901–923	Engi
923–931	Enchō
931–938	Jōhei
938–947	Tengyō
947–957	Tenryaku
957–961	Tentoku
961–964	Ōwa

645–650	Taika
650–654	Hakuchi
686–686	Shuchō
701–704	Taihō
704–708	Keiun
708–715	Wadō
Nara
715–717	Reiki
717–724	Yōrō
724–729	Jinki
729–749	Tenpyō
749	Tenpyō-kanpō
749–757	Tenpyō-shōhō
757–765	Tenpyō-hōji
765–767	Tenpyō-jingo
767–770	Jingo-keiun
770–781	Hōki
781–782	Ten'ō
782–806	Enryaku

Tenroku (天禄) was a Japanese era (年号, nengō, "year name") after Anna and before Ten'en. This period spanned the years from March 970 through March 973.^[1] The reigning emperors were Reizei-tennō (冷泉天皇) and En'yū-tennō (円融天皇).^[2]

Change of era

February 970 Tenroku gannen (天禄元年): The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Anna 3, on the 25th day of the 3rd month of 970.^[3]

Events of the Tenroku era

970 (Tenroku 1, 1st month): Fujiwara no Arihira [ja] (藤原在衡) became sadaijin, and Fujiwara no Koretada (藤原伊尹) became udaijin.^[4]
970 (Tenroku 1, 5th month): The sesshō (regent) and daijō-daijin Fujiwara no Saneyori (藤原実頼) died at the age of 71; and the udaijin Koretada then assumed his responsibilities.^[4]
970 (Tenroku 1, 10th month): The sadaijin Fujiwara no Arihira (藤原実頼) died at age 79.^[4]
971 (Tenroku 2, 3rd month): For the first time, a festival (matsuri) in honor of the kami of Iwashimizu Shrine was celebrated.^[4]
971 (Tenroku 2, in the 11th month): Koretada was created daijō-daijin; Minamoto no Kaneakira [ja] (源兼明) was made sadaijin; and Fujiwara no Yoritada (藤原頼忠) was named udaijin.^[5]
April 4, 972 (Tenroku 3, 5th day of the 3rd month): Emperor En'yū's coronation at age 14 is organized by Koretada.^[6]
972 (Tenroku 3, 11th month): Koretada dies at age 49.^[6]

Notes

^ Nussbaum, Louis-Frédéric. (2005). "Tenroku" in Japan Encyclopedia, p. 961, p. 961, at Google Books; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File Archived 2012-05-24 at archive.today.
^ Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 144–145; Brown, Delmer et al. (1979). Gukanshō, pp. 299–300; Varley, H. Paul. (1980). Jinnō Shōtōki, pp. 191–192.
^ Brown, p. 298.
^ ^a ^b ^c ^d Titsingh, p. 144.
^ Titsingh, pp. 144–145.
^ ^a ^b Titsingh, p. 145.