Jōgen (Heian period)

Jōgen (貞元) was a Japanese era (年号) after Ten'en and before Tengen. This period spanned the years from July 976 through November 978. The reigning emperor was En'yū-tennō (円融天皇).

Change of era

 * February 3, 976 Jōgen gannen (貞元元年): 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 Ten'en 4, on the 13th day of the 7th month of 976.

Events of the Jōgen era

 * June 11, 976 (Jōgen 1, 11th day of the 5th month): The Imperial Palace was destroyed by a great fire.
 * December 20, 977 ('Jōgen 2, 8th day of the 11th month''): Fujiwara no Kanemichi dies at the age of 51.