Kōgen

History of Japan
Shōsōin
Periods Paleolithic before 14,000 BC Jōmon 14,000 – 300 BCE Yayoi 300 BCE – 250 CE Kofun 250–538 Asuka 538–710 Nara 710–794 Heian 794–1185 Kamakura 1185–1333 Kenmu Restoration 1333–1336 Muromachi (Ashikaga) Nanboku-chō Sengoku 1336–1573 Azuchi–Momoyama Nanban trade 1568–1603 Edo (Tokugawa) Bakumatsu 1603–1868 Meiji Restoration 1868–1912 Taishō World War I 1912–1926 Shōwa Financial crisis Militarism Pacific War Occupation Post-occupation 1926–1989 Heisei Lost Decade 1989–present
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Glossary Timeline

Kōgen (康元) was a Japanese era name (年号,, nengō,, lit. "year name") after Kenchō and before Shōka. This period spanned the years from October 1256 to March 1257.^[1] The reigning emperor was Go-Fukakusa-tennō (後深草天皇).^[2]

Change of era

• 1256 Kōgen gannen (康元元年): The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Kenchō 8.

Events of the Kōgen era

• September 1, 1256 (Kōgen 1, 11th day of the 8th month): Kujō Yoritsune, also known as Fujiwara Yoritsune, died at the age of 39 years.^[3]
• October 14, 1256 (Kōgen 1, 24th day of the 9th month): Yoritsune's son and successor as Kamakura shogun, Kujō Yoritsugu, also known as Fujiwara Yoritsugu, died at the age of 18 years.^[3]

Notes

References

• Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. 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. ISBN 978-0-231-04940-5; OCLC 6042764

External links

• National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection