Emperor Kōkaku

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Emperor Kōkaku.jpg
Emperor of Japan
Reign 1780–1817
Predecessor Go-Momozono
Successor Ninkō
Born (1771-09-23)23 September 1771
Died 11 December 1840(1840-12-11) (aged 69)
Burial Nochi no tsuki no wa no misasagi (Kyoto)
Spouse Princess Yoshiko
House Imperial House of Japan
(Yamato Dynasty)
Father Prince Kan'in Sukehito
(Kan'in-no-miya Sukehito-shinnō)
Mother Ōe Iwashiro
Religion Shinto

Emperor Kōkaku (光格天皇, Kōkaku-tennō, September 23, 1771 – December 11, 1840) was the 119th emperor of Japan,[1] according to the traditional order of succession.[2] Kōkaku's reign spanned the years from 1780 through to his abdication in 1817, thereafter he ruled as a Daijō Tennō (太上天皇, Abdicated Emperor) or merely Jōkō (上皇), the most recent Japanese emperor to do so.[3]

A member of a cadet branch of the imperial family, Kōkaku is the founder of the dynastic imperial branch currently on the throne. Genealogically, Kōkaku is the lineal ancestor of all the succeeding emperors of Japan up to the current Emperor, Akihito.


Before Kōkaku's accession to the Chrysanthemum Throne, his personal name (imina) was Morohito (英仁)

He was the sixth son of Imperial Prince Kan'in Sukehito (閑院宮典仁, 1733–1794) the second Prince Kan'in of the Kan'in-no-miya imperial collateral branch. As a younger son of a cadet branch, the Kan'in house, it was originally expected that Morohito would go into the priesthood at the Shugoin Temple. However, in 1779, the sonless emperor Go-Momozono was dying. To avoid dynastic interregnum, retired empress Empress Go-Sakuramachi and the emperor's chief adviser encouraged the emperor on his deathbed to hastily adopt Prince Morohito, who was the emperor's second cousin once removed in the biological male line. Morohito, who would later be known as Emperor Kōkaku, acceded to the throne at age eight. Kōkaku's reigned from December 16, 1779, until his abdication in May 7, 1817.

Empress Go-Sakuramachi engaged Go-Momozono's only child, Princess Yoshiko, to the new Emperor. Yoshiko formally became Empress consort to Emperor Kōkaku at age 15.

Events of Kōkaku's life

Kōkaku was very talented and had a zeal for scholarship, reviving festivals at the Iwashimizu and Kamono shrines, and working hard at reviving ceremonies surrounding the Imperial Court. During Kōkaku's reign, the Imperial Court attempted to re-assert some of its authority by proposing a relief program to the Bakufu at the time of the Great Tenmei famine (1782–1788) and receiving information about negotiations with Russia over disputes in the north.

  • 1781 (Tenmei 1): Kōkaku was instrumental in reviving old ceremonies involving the old Imperial Court, as well as those performed at the Iwashimizu and Kamono shrines.

In addition, he attempted to re-assert some of the Imperial authority over the Shōgun (or bakufu). He undertook this by first implementing a relief program during the Great Tenmei Famine, which not only undermined the effectiveness of the bakufu to look after their subjects, but also focused the subjects' attention back to the Imperial household.

He also took an active interest in foreign affairs; keeping himself informed about the border dispute with Russia to the north, as well as keeping himself abreast of knowledge regarding foreign currency, both Chinese and European. The new era name of Tenmei (meaning "Dawn") was created to mark the enthronement of new emperor. The previous era ended and the new one commenced in An'ei 11, on the 2nd day of the 4th month.

  • 1782 (Tenmei 2): Great Tenmei famine begins.
  • 1782 (Tenmei 2): An analysis of silver currency in China and Japan "Sin sen sen pou (Sin tchuan phou)" was presented to the emperor by Kutsuki Masatsuna (1750–1802), also known as Kutsuki Oki-no kami Minamoto-no Masatsuna, hereditary daimyōs of Oki and Ōmi with holdings in Tamba and Fukuchiyamarelated note at Tenmei 7 below.[4]
  • 1783 (Tenmei 3): Mount Asama (浅間山, Asama-yama) erupted in Shinano, one of the old provinces of Japan. (Today, Asama-yama's location is better described as on the border between Gunma and Nagano prefectures.) Japanologist Isaac Titsingh's published account of the Asama-yama eruption will become first of its kind in the West (1820).[5] The volcano's devastation makes the Great Tenmei Famine even worse.
  • 1784 (Tenmei 4): Country-wide celebrations in honor of Kūkai (also known as Kōbō-Daishi, 弘法大師), founder of Shingon Buddhism) who died 950 years earlier.[4]
  • September 17, 1786 (Tenmei 6, 15th day of the 8th month): Tokugawa Ieharu died and was buried in Edo.[4]
  • 1787 (Tenmei 7): Kutsuki Masatsuna published Seiyō senpu (Notes on Western Coinage), with plates showing European and colonial currency – related note at Tenmei 2 above.[6] – see online image of 2 adjacent pages from library collection of Kyoto University of Foreign Studies and Kyoto Junior College of Foreign Languages
  • 1788 (Tenmei 8): Great Tenmei fire. A fire in the city of Kyoto, which began at 3 o'clock in the morning of the 29th day of the 1st month of Tenmei 8 (March 6, 1788), continued to burn uncontrolled until the 1st day of the second month (March 8); and embers smoldered until they were extinguished by heavy rain on the 4th day of the second month (March 11). The emperor and his court fled the fire, and the Imperial Palace was destroyed. No other re-construction was permitted until a new palace was completed. This fire was considered a major event. The Dutch VOC Opperhoofd in Dejima noted in his official record book that "people are considering it to be a great and extraordinary heavenly portent."[7]

The Emperor created an incident called the "Songo incident" (the "respectful title incident") in 1789. The Emperor came into dispute with the Tokugawa Shogunate about his intention to give the title of Abdicated Emperor ((Daijō Tennō, 太上天皇) to his father, Prince Sukehito. The Bakufu gave his father the honorary title of Retired Emperor.[8]

Change of era: 1789 Kansei gannen (寛政元年?): The new era name of Kansei (meaning "Tolerant Government" or "Broad-minded Government") was created to mark a number of calamities including a devastating fire at the Imperial Palace. The previous era ended and a new one commenced in Tenmei 9, on the 25th day of the 1st month.

The broad panoply of changes and new initiatives of the Tokugawa shogunate during this era became known as the Kansei Reforms.

Matsudaira Sadanobu (1759–1829) was named the shogun's chief councilor (rōjū) in the summer of 1787; and early in the next year, he became the regent for the 11th shogun, Tokugawa Ienari.[9] As the chief administrative decision-maker in the bakufu hierarchy, he was in a position to effect radical change; and his initial actions represented an aggressive break with the recent past. Sadanobu's efforts were focused on strengthening the government by reversing many of the policies and practices which had become commonplace under the regime of the previous shogun, Tokugawa Ieharu. These reform policies could be interpreted as a reactionary response to the excesses of his rōjū predecessor, Tanuma Okitsugu (1719–1788);[10] and the result was that the Tanuma-initiated, liberalizing reforms within the bakufu and the relaxation of sakoku (Japan's "closed-door" policy of strict control of foreign merchants) were reversed or blocked.[11]

  • 1790 (Kansei 2): Matsudaira Sadanobu and the shogunate promulgate an edict addressed to Hayashi Kinpō, the rector of the Edo Confucian Academy -- "The Kansei Prohibition of Heterodox Studies" (kansei igaku no kin).[12] The decree banned certain publications and enjoined strict observance of Neo-Confucian doctrine, especially with regard to the curriculum of the official Hayashi school.[13]
  • 1798 (Kansei 10): Kansei Calendar Revision

Change of era: February 5, 1801 (Kyōwa gannen (享和元年?)): a new era name was created because of the belief that the 58th year of every cycle of the Chinese zodiac brings great changes. The previous era ended and a new one commenced in Kansei 13.

  • December 9, 1802 (Kyōwa 2, 15th day of the 11th month): Earthquake in northwest Honshū and Sado Island (Latitude: 37.700/Longitude: 138.300), 6.6 magnitude on the Richter Scale.[14]
  • December 28, 1802 (Kyōwa 2, 4th day of the 12th month): Earthquake on Sado Island (Latitude: 38.000/Longitude: 138.000).[14]

Change of era: February 11, 1804 (Bunka gannen (文化元年?)): The new era name of Bunka (meaning "Culture" or "Civilization") was created to mark the start of a new 60-year cycle of the Heavenly Stem and Earthly Branch system of the Chinese Calendar which was on New Year's Day, the new moon day day of 2 November 1804. The previous era ended and a new one commenced in Kyōwa 4.

  • 1804 (Bunka 1): Daigaku-no kami Hayashi Jussai (1768–1841) explained the shogunate foreign policy to Emperor Kōkaku in Kyoto.[15]
  • June 1805 (Bunka 2): Genpaku Sugita (1733–1817) is granted an audience with Shogun Ienari to explain differences between traditional medical knowledge and Western medical knowledge.[16]
  • September 25, 1810 (Bunka 7, 27th day of the 8thmonth): Earthquake in northern Honshū (Latitude: 39.900/Longitude: 139.900), 6.6 magnitude on the Richter Scale.[14]
  • December 7, 1812 (Bunka 9, 4th day of the 11th month): Earthquake in Honshū (Latitude: 35.400/Longitude: 139.600), 6.6 magnitude on the Richter Scale.[14]
  • 1817 (Bunka 14): Emperor Kokaku travelled in procession to Sento Imperial Palace, a palace of an abdicated emperor. The Sento Palace at that time was called Sakura Machi Palace. It had been built by the Tokugawa Shogunate for former-Emperor Go-Mizunoo.[17]

Abdication and death

In 1817, Kōkaku abdicated in favor of his son, Emperor Ninkō. In the two centuries before Kōkaku's reign most emperors died young or were forced to abdicate. Kōkaku was the first Japanese monarch to remain on the throne past the age of 40 since the abdication of Emperor Ōgimachi in 1586.[citation needed] The last Emperor to rule as a Jōkō (上皇), an emperor who abdicated in favor of a successor, was Emperor Kōkaku (1779–1817).

After Kōkaku's death in 1840, he was enshrined in the Imperial mausoleum, Nochi no Tsukinowa no Higashiyama no misasagi (後月輪東山陵), which is at Sennyū-ji in Higashiyama-ku, Kyoto. Also enshrined in Tsuki no wa no misasagi, at Sennyū-ji are this emperor's immediate Imperial predecessors since Emperor Go-MizunooMeishō, Go-Kōmyō, Go-Sai, Reigen, Higashiyama, Nakamikado, Sakuramachi, Momozono, Go-Sakuramachi and Go-Momozono. This mausoleum complex also includes misasagi for Kōkaku's immediate successors – Ninkō and Kōmei.[18] Empress Dowager Yoshikō is also entombed at this Imperial mausoleum complex.[19]


Kugyō (公卿) is a collective term for the very few most powerful men attached to the court of the Emperor of Japan in pre-Meiji eras. Even during those years in which the court's actual influence outside the palace walls was minimal, the hierarchic organization persisted.

In general, this elite group included only three to four men at a time. These were hereditary courtiers whose experience and background would have brought them to the pinnacle of a life's career. During Kōkaku's reign, this apex of the Daijō-kan included:

Eras of Kōkaku's reign

The years of Kōkaku's reign are more specifically identified by more than one era name or nengō.[4]

See also


Japanese Imperial kamon — a stylized chrysanthemum blossom
  1. ^ Imperial Household Agency (Kunaichō): 光格天皇 (119)
  2. ^ Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, pp. 120–122.
  3. ^ Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 420–421.
  4. ^ a b c d Titsingh, p. 420.
  5. ^ Screech, T. (2006), Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779–1822, pp. 146–148; Titsingh, p. 420.
  6. ^ Screech, T. (2000). Shogun's Painted Culture: Fear and Creativity in the Japanese States, 1760–1829, pp. 123, 125.
  7. ^ Screech, Secret Memoirs, pp. 152–154, 249–250
  8. ^ National Archives of Japan ...Sakuramachiden Gyokozu: see caption text Archived 2008-01-19 at the Wayback Machine.
  9. ^ Totman, Conrad. Politics in the Tokugawa Bakufu. Berkeley: University of California Press, 1988, p. 224
  10. ^ Hall, J. (1955). Tanuma Okitsugu: Forerunner of Modern Japan, 1719-1788. pp. 131-142.
  11. ^ Screech, T. (2006). Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779-1822, pp. 148-151, 163-170, 248.
  12. ^ Nosco, Peter. (1997). Confucianism and Tokugawa Culture, p. 20.
  13. ^ Bodart-Bailey, Beatrice. (2002). "Confucianism in Japan," in Companion Encyclopedia of Asian Philosophy, p. 668, p. 668, at Google Books; excerpt, "Scholars vary in their opinion on how far this heterodoxy was enforced and whether this first official insistence on heterodoxy constituted the high point of Confucianism in government affairs or signalled its decline."
  14. ^ a b c d NOAA/Japan "Significant Earthquake Database" -- U.S. National Oceanic and Atmospheric Administration (NOAA), National Geophysical Data Center (NGDC)
  15. ^ Cullen, L.M. (2003). A History of Japan, 1582-1941: Internal and External Worlds, pp. 117, 163.
  16. ^ Sugita Genpaku. (1969). Dawn of Western Science in Japan: Rangaku Kotohajime, p. xvi.
  17. ^ National Ditigial Archives of Japan, ...see caption describing image of scroll Archived 2008-01-19 at the Wayback Machine.
  18. ^ Ponsonby-Fane, p. 423.
  19. ^ Ponsonby-Fane, pp. 333–334.


  • Meyer, Eva-Maria. (1999). Japans Kaiserhof in der Edo-Zeit: unter besonderer Berücksichtigung der Jahre 1846 bis 1867. Münster: LIT Verlag. ISBN 978-3-8258-3939-0; OCLC 42041594
  • Ponsonby-Fane, Richard Arthur Brabazon. (1959). The Imperial House of Japan. Kyoto: Ponsonby Memorial Society. OCLC 194887
  • Screech, Timon. (2006). Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779–1822. London: RoutledgeCurzon. ISBN 978-0-203-09985-8; OCLC 65177072
  • __________. (2000). Shogun's Painted Culture: Fear and Creativity in the Japanese States, 1760–1829. London: Reaktion. IBN 9781861890641; OCLC 42699671
  • Titsingh, Isaac. (1834). Nihon Ōdai 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). Jinnō Shōtōki: A Chronicle of Gods and Sovereigns. New York: Columbia University Press. ISBN 978-0-231-04940-5; OCLC 59145842

External links

Regnal titles
Preceded by
Emperor Go-Momozono
Emperor of Japan:

Succeeded by
Emperor Ninkō
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