was a after Bun'ō and before Bun'ei. This period spanned the years from February 1261 to February 1264. The reigning emperor was . Change of era ; 1261: 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 Bun'ō 2. Events of the Kōchō era June 11, 1261 (Kōchō 1, 12th day of the 5th month): Nichiren was exiled to Itō in Izu. March 19, 1262 (Kōchō 2, 28th day of the 11th month): Shinran passes away at the age of 90 April 1, 1263 (Kōchō 3, 22nd day of the 2nd month): Nichiren was pardoned. Notes References Nichiren. (2004). Writings of Nichiren Shonin: Doctrine 3. onolulu: University of Hawaii Press. 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 Japanese eras 1260s in Japan