Ten'en

Ten'en was a Japanese era name after Tenroku and before Jōgen. This period spanned the years from December 973 through July 976. The reigning emperor was Emperor En'yū.

Change of era

February 6, 973 Ten'en gannen: The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Tenroku 4, on the 20th day of the 12th month of 973.

Events of the ''Ten'en'' era

May 28, 973 : A fire broke out in a Minamoto compound located near the Imperial Palace. The fire could not be contained; and more than 300 houses were reduced to cinders. The guard was doubled around the Emperor's residence.974 : Fujiwara no Kanemichi was named Daijō-daijin; and he was given permission to travel to court in a carriage.974 : The emperor received a gift of horses from Korea.975 : A comet was seen in the night sky.