was a after '' Ten'an'' and before '' Gangyō.'' 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 (August 827 – 7 October 858) was the 55th emperor of Japan,Imperial Household Agency (''Kunaichō'') 文徳天皇 (55)/ref> according to the traditional order of succession. Montoku's reign lasted from 850 to 858. Traditional narrative Before ...

. * 864 (''Jōgan 6, 5th month''):

Mount Fuji is an active stratovolcano located on the Japanese island of Honshu, with a summit elevation of . It is the highest mountain in Japan, the second-highest volcano on any Asian island (after Mount Kerinci on the Indonesian island of Sumatra), a ...

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 and the largest city in the Tōhoku region. , the city had a population of 1,098,335 in 539,698 households, making it the List of cities in Japan, twelfth most populated city in Japan. ...

. * 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 , known first as and later as until his accession, was the 38th emperor of Japan who reigned from 668 to 671. He was the son of Emperor Jomei and Empress Kōgyoku (Empress Saimei), and his children included Empress Jitō, Empress Genmei, an ...

; 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 '' kokushi'' or provincial governor. There were als ...

, Yōzei, Go-Toba, 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 an academic publishing house established on January 13, 1913, as a division of Harvard University. It is a member of the Association of University Presses. Its director since 2017 is George Andreou. The pres ...

.
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 New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's la ...

.
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 850s in Japan 860s in Japan 870s in Japan 859 878 9th-century neologisms

Change of era

Events of the ''Jōgan'' era

See also

Notes

References

External links