was a after ''
Tenpō'' and before ''
Kaei.'' This period spanned the years from December 1844 through February 1848. The reigning emperors were and .
Change of era
* December 2, 1844 (): The new era name of ''Kōka'', meaning "Becoming Wide or Vast", was created to mark a fire at
Edo Castle
is a flatland castle that was built in 1457 by Ōta Dōkan in Edo, Toshima District, Musashi Province. In modern times it is part of the Tokyo Imperial Palace in Chiyoda, Tokyo and is therefore also known as .
Tokugawa Ieyasu established the ...
in ''Tenpō 15.''
The nengo was not changed concurrent with the accession of Emperor Komei; instead, the Kōka era was retained until about a year after the new emperor was enthroned.
Events of the ''Kōka'' era
* 1847 (''Kōka 4''): A major earthquake was recorded.
* 1848 (''Kōka 5''): The last subscription noh of the premodern era.
During these years, Hiroshige began making a series of prints showing beautiful women in contexts of famous places.
[Oka, Isaburo. (1987). ]
Notes
References
*
Keene, Donald. (2005). ''Emperor of Japan: Meiji and his world, 1852-1912.'' New York: Columbia University Press.
OCLC 57750432* Nussbaum, Louis Frédéric and Käthe Roth. (2005). ''Japan Encyclopedia.'' Cambridge:
Harvard University Press.
OCLC 48943301
External links
* National Diet Library, "The Japanese Calendar
-- historical overview plus illustrative images from library's collection
Japanese eras
1840s in Japan
{{Japan-era-stub