Heiji (平治) was a Japanese era name (年号, nengō, lit. "year name") after Hōgen and before Eiryaku. This period lasted from April 1159 until January 1160.[1] The reigning emperor was Emperor Nijō-tennō (二条天皇).[2]
Change of era
January 21, 1159Heiji gannen (平治元年): The new era name was created to mark an event or series of events. The previous era ended and a new one commenced in Hōgen 4, on the 20th day of the 4th month of 1159.[3]
Events of the Heiji era
January 23, 1159 (Heiji 1, the 3rd day of the 1st month ): The emperor visited his father.[4]
January 19–May 5, 1159 (Heiji 1, 9th-26th day of the 12th month): The "Heiji Rebellion",[5] also known as the "Heiji Insurrection" or the "Heiji War."
^Titsingh, Isaac. (1834). Annales des emepereurs du japon, pp. 191-194; Brown, Delmer et al. (1979). Gukanshō, pp. 327-329; Varley, H. Paul. (1980). Jinnō Shōtōki, pp. 208-212.