was a after ''

Ten'an was a after ''Saikō'' and before ''Jōgan.'' This period spanned the years from February 857 through April 859. The reigning emperors were and . Change of Era * January 30, 857 : The new era name was created to mark an event or series of ev ...

'' and before ''

Gangyō , also known as Genkei, was a after ''Jōgan'' and before ''Ninna.'' This period spanned the years from April 877 through February 885. The reigning emperor was . Change of era * January 18, 877 : The new era name was created to mark an event ...

.'' This period spanned the years from April 859 through April 878. The two reigning emperors were and .

Change of era

* February 7, 859 : The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in ''Ten'an'' 3, on the 15th day of the 4th month of 859.

Events of the ''Jōgan'' era

* 859 (''Jōgan 1, 1st month''): All New Year's festivities were suspended because of the period of national mourning for the death of Emperor Montoku. * 864 (''Jōgan 6, 5th month''):

Mount Fuji , or Fugaku, located on the island of Honshū, is the highest mountain in Japan, with a summit elevation of . It is the second-highest volcano located on an island in Asia (after Mount Kerinci on the island of Sumatra), and seventh-highest p ...

erupted during 10 days, and it ejected from its summit an immense quantity of cinders and ash which fell back to earth as far away as the ocean at Edo bay. Many people perished and a great number of homes were destroyed. The volcanic eruption began on the side of Fuji-san closest to Mount Asama, throwing cinders and ash as far away as Kai Province. * 869 (''Jōgan 10''): Yōzei was born, and he is named Seiwa's heir in the following year. * July 9, 869 (''May 26, Jōgan 11''). The 869 earthquake and tsunami devastates a large part of the

Sanriku , sometimes known as , lies on the northeastern side of the island of Honshu, corresponding to today's Aomori, Iwate and parts of Miyagi Prefecture and has a long history. The 36 bays of this irregular coastline tend to amplify the destructivenes ...

coast near

Sendai is the capital Cities of Japan, city of Miyagi Prefecture, the largest city in the Tōhoku region. , the city had a population of 1,091,407 in 525,828 households, and is one of Japan's 20 Cities designated by government ordinance of Japan, desig ...

. * 876 (''Jōgan 17, 11th month''): In the 18th year of Seiwa''-tennō''s reign (清和天皇18年), the emperor ceded his throne to his five-year-old son, which means that the young child received the succession (''senso''). Shortly thereafter, Emperor Yōzei formally acceded to the throne (''sokui'').Titsingh
p. 122
Varley, p. 44; a distinct act of ''senso'' is unrecognized prior to

Emperor Tenji , also known as Emperor Tenchi, was the 38th emperor of Japan, Imperial Household Agency (''Kunaichō'')天智天皇 (38)/ref> according to the traditional order of succession.Ponsonby-Fane, Richard. (1959). ''The Imperial House of Japan'', p. 5 ...

; and all sovereigns except

Jitō were medieval territory stewards in Japan, especially in the Kamakura and Muromachi shogunates. Appointed by the ''shōgun'', ''jitō'' managed manors including national holdings governed by the provincial governor ( kokushi). There were also d ...

, Yōzei,

Go-Toba was the 82nd emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1183 through 1198. This 12th-century sovereign was named after Emperor Toba, and ''go-'' (後), translates literally as "later"; an ...

, and Fushimi have ''senso'' and ''sokui'' in the same year until the reign of

Emperor Go-Murakami (1328 – March 29, 1368) was the 97th emperor of Japan, according to the traditional order of succession, and a member of the Southern Court during the Nanboku-chō period of rival courts. He reigned from September 18, 1339, until March 29, 13 ...

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 Harvard University Press (HUP) is a publishing house established on January 13, 1913, as a division of Harvard University, and focused on academic publishing. It is a member of the Association of American University Presses. After the retirem ...

.
OCLC 58053128
* Titsingh, Isaac. (1834). ''

Nihon Ōdai Ichiran , ', is a 17th-century chronicle of the serial reigns of Japanese emperors with brief notes about some of the noteworthy events or other happenings. According to the 1871 edition of the ''American Cyclopaedia'', the 1834 French translation of ...

''; 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 Columbia University Press is a university press based in New York City, and affiliated with Columbia University. It is currently directed by Jennifer Crewe (2014–present) and publishes titles in the humanities and sciences, including the fiel ...

.
OCLC 6042764

External links

National Diet Library The is the national library of Japan and among the largest libraries in the world. It was established in 1948 for the purpose of assisting members of the in researching matters of public policy. The library is similar in purpose and scope to ...

, "The Japanese Calendar
-- historical overview plus illustrative images from library's collection
{{DEFAULTSORT:Jogan Japanese eras 9th century in Japan 859 beginnings 878 endings

Change of era

Events of the ''Jōgan'' era

See also

Notes

References

External links