TenrokuTenroku was a Japanese era name after Anna and before Ten'en. This period spanned the years from March 970 through March 973. The reigning emperors were Emperor Reizei and Emperor En'yū.Change of eraFebruary 970 : 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.Events of the ''Tenroku'' era970 : became sadaijin, and Fujiwara no Koretada became udaijin.970 : The sesshō and daijō-daijin Fujiwara no Saneyori died at the age of 71; and the udaijin Koretada then assumed his responsibilities.970 : The sadaijin Fujiwara no Arihira died at age 79.971 : For the first time, a festival in honor of the kami of Iwashimizu Shrine was celebrated.971 : Koretada was created daijō-daijin; was made sadaijin; and Fujiwara no Yoritada was named udaijin.April 4, 972 : Emperor En'yū's coronation at age 14 is organized by Koretada.972 : Koretada dies at age 49.