was a after Juei and before Bunji. This period spanned the years from April 1184 through August 1185.Nussbaum, Louis-Frédéric. (2005). "Genryaku" in ; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File. The reigning emperors were and .Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 207-221; Brown, Delmer et al. (1979). Gukanshō, pp. 334-339; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 215-220.
Change of era 1184 : 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 Juei 3, on the 16th day of the 4th month of 1184.Brown, p. 337.
Events of the Genryaku era 1185 (Genryaku 2, 24th day of the 3rd month): the Taira (also known as the Heike) and the Minamoto clashed in the Battle of Dan-no-ura; and the Heike were utterly defeated.Kitagawa, Hiroshi et al. (1975). The Tale of the Heike, p. 787. 1185 (Genryaku 2, 9th day of the 7th month): Great earthquake caused turmoil in the capital and in the neighboring provinces.
References
Sources Brown, Delmer M. and Ichirō Ishida, eds. (1979). Gukanshō: The Future and the Past. Berkeley: University of California Press. ; OCLC 251325323 Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ; OCLC 58053128 Titsingh, Isaac. (1834). Nihon Odai Ichiran; ou, Annales des empereurs du Japon. Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691 Varley, H. Paul. (1980). A Chronicle of Gods and Sovereigns: Jinnō Shōtōki of Kitabatake Chikafusa. New York: Columbia University Press. ; OCLC 6042764
External links National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection