Tenpō

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Tenpō (天保?) was a Japanese era name (年号, nengō,?, lit. "year name"), also known as Tempō, after Bunsei and before Kōka. The period started in December 1830 and ended in December 1844.[1] During this time, the emperor was Ninko-tennō (仁孝天皇?).[2]

The nengō Tenpō means "Heavenly Protection".[3]

Events of the Tenpō era[change | edit source]

In the 8th year of Tenpō', the Morrison anchored off Uraga in Tokyo Bay
  • 1833-1836 (Tenpō 4-7): Great Tenpō Famine[4]
  • 1835 (Tenpō 6): Copper coins called Tenpō-tsūhō were minted.[5]
  • 20 July 1835 (Tenpō 6, 7th day of the 6th month): Earthquake in Sanriku (Latitude: 37.900/Longitude: 141.900), 7.6 magnitude on the Richter Scale.[6]
  • 1837-1843 (Tenpō 8-14): Gold and silver coins called Tenpō-kingin were minted.[5]
  • 25 April 1843 (Tenpō 14, 25th day of the 3rd month): Earthquake in Hokkaido (Latitude: 41.800/Longitude: 144.800), 8.4 magnitude on the Richter Scale.[6]
  • 1844 (Tenpō 15): Errors in the lunar calendar were corrected. The new calendar was called the Tenpō-Jinin. It was in use in Japan until 1872 when the Gregorian calendar was adopted.[13]

Related pages[change | edit source]

References[change | edit source]

  1. Nussbaum, Louis-Frédéric. (2005). "Tempō" Japan Encyclopedia, p. 957.
  2. Nussbaum, "Ninkō Tennō," p. 716.
  3. Beasley, William G. (1972). The Meiji Restoration, p. 64 n*.
  4. Nussbaum, "Tempō no Kikin" at p. 957.
  5. 5.0 5.1 Nussbaum, "Tenpō-tsūhō" at p. 957.
  6. 6.0 6.1 NOAA/Japan "Significant Earthquake Database" -- U.S. National Oceanic and Atmospheric Administration (NOAA), National Geophysical Data Center (NGDC)
  7. Hall, John Whitney et al. (1991). Early Modern Japan, p. 21.
  8. Nussbaum, "Ōshio Heihachirō" at p. 761.
  9. Nussbaum, "Ikuta Yorozu" at p. 382.
  10. Nussbaum, "Morrison" at p. 663.
  11. Nussbaum, "Tokugawa Yoshinobu" at p. 979.
  12. Meyer, Eva-Maria. (1999). Japans Kaiserhof in der Edo-Zeit, p. 186; Imperial Household Agency (Kunaichō), 光格天皇 (119); retrieved 2012-5-27.
  13. Hayashi, Tsuruichi. (1907). "A Brief history of the Japanese Mathematics," Nieuw archief voor wiskunde ("New Archive of Mathematics"), p. 126.

Other websites[change | edit source]

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


Tenpō 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th
1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
Preceded by:
Bunsei
Era or nengō:
Tenpō
Succeeded by:
Kōka