Ōhō

was a after Eiryaku and before Chōkan. This period spanned the years from September 1161 through March 1163.Nussbaum, Louis-Frédéric. (2005). "Ōhō" in ; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File. The reigning emperor was .Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp.191-194; Brown, Delmer et al. (1979). Gukanshō, pp.327-329; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 208-212.

Change of era January 28, 1161 : 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 Eiryaku 2, on the 4th day of the 9th month of 1161.Brown, p. 328.

Events of the Ōhō era 1161 (Ōhō 1, 2nd month): The emperor visited Kasuga Shrine and other shrines which were situated just outside the boundaries of the capital city.Titsingh, p. 191. July 31, 1162 (Ōhō 2, 18th day of the 6th month): Fujiwara no Tadazane died.

Notes

References 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