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Tokugawa Ieharu

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Title: Tokugawa Ieharu  
Author: World Heritage Encyclopedia
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Subject: Tokugawa Ienari, Tokugawa Ieshige, Tokugawa shogunate, Tokugawa clan, Tokugawa Yoshinobu
Collection: 1737 Births, 1786 Deaths, Tokugawa Clan, Tokugawa Shoguns
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Tokugawa Ieharu

Tokugawa Ieharu
10th Edo Shogun
In office
Preceded by Tokugawa Ieshige
Succeeded by Tokugawa Ienari
Personal details
Born (1737-06-20)June 20, 1737
Died September 17, 1786(1786-09-17) (aged 49)

Tokugawa Ieharu (徳川家治 (June 20, 1737 – September 17, 1786) was the tenth shogun of the Tokugawa shogunate of Japan, who held office from 1760 to 1786.

Ieharu was the eldest son of Tokugawa Ieshige, the ninth shogun.


  • Events of the Ieharu's bakufu 1
  • Eras of Ieharu's bakufu 2
  • Notes 3
  • References 4

Events of the Ieharu's bakufu

  • Tenmei gannen (天明元年) or Tenmei 1 (1781): The new era name of Tenmei (meaning "Dawn") was created to mark the enthronement of Emperor Kōkaku. The previous era ended and the new one commenced in An'ei 11, on the 2nd day of the 4th month. According to Nihon Ōdai Ichiran, Ieharu was appointed Udaijin (Minister of the Right) of the Emperor's Kugyō, which was quite rare and considered a great favour.
  • Tenmei 2 (1782): Great Tenmei Famine begins.
  • Tenmei 2 (1782): 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 daimyo of Oki and Ōmi with holdings in Tamba and Fukuchiyama -- related note at Tenmei 7 below.[1]
  • Tenmei 3 (1783): Mount Asama (浅間山, Asama-yama) erupted in Shinano, one of the old provinces of Japan. Japanologist Isaac Titsingh's published account of the of Asama-yama eruption was the first of its kind in the West (1820).[2] The volcano's devastation makes the Great Tenmei Famine even worse.
  • Tenmei 4 (1784): Country-wide celebrations in honor of Kūkai (also known as Kōbō-Daishi, founder of Shingon Buddhism) who died 950 years earlier.[1]
  • Tenmei 4 (1784): The son of the Shogun's chief counselor was assassinated inside Edo Castle. The comparatively young wakadoshiyori, Tanuma Yamashiro-no-kami Okitomo, was the son of the senior wakadoshiyori Tanuma Tonomo-no-kami Okitsugu. The younger Tanuma was killed in front of his father as both were returning to their norimono after a meeting of the Counselors of State had broken up. The involvement of senior figures in the bakufu was suspected; however, none but the lone assassin himself was punished. The result was that Tanuma-initiated, liberalizing reforms within the bakufu and relaxation the strictures of sakoku were blocked.[3]
  • Tenmei 6, on the 8th day of the 9th month (September 17, 1786): Death of Tokugawa Ieharu. He is buried in Edo.[1]
  • Tenmei 7 (1787): Kutsuki Masatsuna published Seiyō senpu (Notes on Western Coinage), with plates showing European and colonial currency -- related note at Tenmei 2 above.[4] -- see online image of 2 adjacent pages from library collection of Kyoto University of Foreign Studies and Kyoto Junior College of Foreign Languages

Eras of Ieharu's bakufu

The years in which Ieharu was shogun are more specifically identified by more than one era name or nengō.[1]


  1. ^ a b c d Titsingh, Isaac. (1834). Annales des empereurs du japon, p. 420
  2. ^ Screech, T. (2006), Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779-1822, pp. 146-148.
  3. ^ Screech, pp. 148-151, 163-170, 248.
  4. ^ Screech, T. (2000). Shogun's Painted Culture: Fear and Creativity in the Japanese States, 1760-1829, pp. 123, 125.


Military offices
Preceded by
Tokugawa Ieshige
Edo Shogun:
Tokugawa Ieharu

Succeeded by
Tokugawa Ienari
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