February 12, 1081Eihō gannen (永保元年): The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Jōryaku 5, on the 10th day of the 2nd month of 1081.
Events of the Eihō Era
May 26, 1081 (Eihō 1, 15th day of the 4th month): The Buddhist Temple of Miidera was set on fire by the monks of a rival sect on Mt. Hiei.
July 12, 1081 (Eihō 1, 4th day of the 6th month): Miidera was burned again by monks from Mt. Hiei.
1083 (Eihō 3, 10th month): At Hosshō-ji, construction begins on a nine-story pagoda.