|History of Japan|
Keiun (慶雲), also known as Kyōun, was a Japanese era name (年号, nengō, , lit. "year name") following Taihō and preceding Wadō. The period spanned the years from May 704 through January 708. The reigning emperors were Mommu-tennō (文武天皇) and Gemmei-tennō (元明天皇).
Change of era
- 704 Keiun gannen (慶雲元年): The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Taihō 4, on the 7th day of the 5th month of 704.
Events of the Keiun era
- 697 (Keiun 4): Emperor Mommu dies, but his son and heir was deemed too young to receive the succession (senso). Instead, the mother of the heir formally accedes to the throne (sokui) as Empress Gemmei until her son would grow mature enough to accept senso and sokui.
- July 18, 707 (Keiun 4, 15th day of the 6th month): Genmei is enthroned at the age of 48.
- 707 (Keiun 4): Deposits of copper was reported to have been found in Musashi province in the region which includes modern day Tokyo.
- 708 (Keiun 5):, The era name was about to be changed to mark the accession of Empress Gemmei; but the choice of Wadō as the new nengō for this new reign became a way to mark the welcome discovery of copper in the Chichibu District of what is now Saitama Prefecture. The Japanese word for copper is dō (銅); and since this was indigenous copper, the "wa" (the ancient Chinese term for Japan) could be combined with the "dō" (copper) to create a new composite term — "wadō" — meaning "Japanese copper."
- Nussbaum, Louis-Frédéric. (2005). "Keiun" in Japan Encyclopedia, p. 506, p. 506, at Google Books; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File.
- Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 60-63; Brown, Delmer et al. (1979). Gukanshō, pp. 270-271; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 137-140.
- Brown, p. 271.
- Varley, H. Paul. (1980). Jinnō Shōtōki, 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.
- Titsingh, p. 63.
- Brown, Delmer M. and Ichirō Ishida, eds. (1979). Gukanshō: The Future and the Past. Berkeley: University of California Press. 10-ISBN 0-520-03460-0; 13-ISBN 978-0-520-03460-0; OCLC 251325323
- Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. 10-ISBN 0-674-01753-6; 13-ISBN 978-0-674-01753-5; 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. 10-ISBN 0231049404/13-ISBN 9780231049405; OCLC 6042764
- National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection
|Era or nengō
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