was a after Kōan and before Einin. This period spanned the years from April 1288 through August 1293.Nussbaum, Louis-Frédéric. (2005). "Shōō" 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, p. 269-274; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 237-238.

Change of era 1288 : 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 Kōan 11. The era name is derived from the Notes on the Mao Commentary and combines the characters ("correct") and ("balanced").

Events of the Shōō era April 16, 1288 (Shōō 1, 15th day of the 3rd month): The accession of Emperor Fushimi took place.Perkins, George W. (1998). 1288 (Shōō 1): Oracles of the three deities — Amaterasu, Hachiman and Kasuga appeared on the surface of the pond at Todaiji in Nara.Breen, John and Mark Teeuwen. (2000). May 26, 1293 (Shōō 6, 13th day of the 4th month): An earthquake in Kamakura, Japan kills an estimated 23,000.

Notes

References 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