Tengen (era)

Change of era

• February 20, 978 Tengen 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 Jōgen 3, on the 15th day of the 4th month of 976.

  Events of the ''Tengen'' era

• 978 : The emperor allowed the daughter of Fujiwara no Kaneie to be introduced into his household; and shortly thereafter, they had a son.
• 978 : Fujiwara no Yoritada was elevated to the position of Daijō-daijin; Minamoto no Masanobu was made Sadaijin; and, Fujiwara no Kaneie was made Udaijin.