, also romanized as Kashō, was a after Chōji and before Tennin. This period spanned the years from April 1106 through August 1108.Nussbaum, Louis-Frédéric. (2005). "Kashō" 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. 172–178; Brown, Delmer et al. (1979). Gukanshō, pp. 320–322; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 203–204.
Change of era February 6, 1106 : The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Chōji 3, on the 9th day of the 4th month of 1106.Brown, p. 319.
Events of the Kajō era October 3, 1106 (Kajō 1): Petitions seeking mitigation of "evil influences on the Emperor" were presented at major Shinto shrines. Transactions of the Asiatic Society of Japan, Vol. 47, p. 64. (1935) August 19, 1107 (Kajō 1, 19th day of the 7th month): In the 21st year of Emperor Horikawa-tennōs reign (堀河天皇21年), the emperor died at the age of 29; and the succession (senso) was received by his only son. Shortly thereafter, Emperor Toba is said to have acceded to the throne (sokui).Titsingh, p. 178; Brown, pp. 320; Varley, p. 44; a distinct act of senso is unrecognized prior to Emperor Tenji; and all sovereigns except Jitō, Yōzei, Go-Toba, and Fushimi have senso and sokui in the same year until the reign of Emperor Go-Murakami.
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 Ōdai 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