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From Wikipedia, the free encyclopedia

Tenchō (天長 ?) was a Japanese era name (年号, nengō, ?, lit. "year name") after Kōnin and before Jōwa. This period spanned the years from 824 through 834. The reigning emperors were Junna-tennō (淳和天皇 ?) and Ninmyō-tennō (仁明天皇 ?).[1]


Change of era

  • February 6, 824 Tenchō gannen (天長元年 ?): The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Kōnin 15, on the 5th day of the 1st month of 824.[2]

Events of the Tenchō era

  • 824 (Tenchō 1): This summer was entirely dry; and prayers for rain were offered by the Buddhist priest Kūkai, who is also known by the posthumous name, Kōbō-Daishi. Those prayers seemed to be answered when it did begin to rain sometime later.[3]
  • 824 (Tenchō 1, 7th month): The former-Emperor Heisei died at age 51.[3]
  • 825 (Tenchō 2, 11th month): The former-Emperor Saga celebrated his 40th birthday.[4]
  • 826 (Tenchō 3, 11th month): Kōbō-Daishi counsels the emperor to build a pagoda near To-ji in Kyoto.[5]


  1. ^ Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 103-106; Brown, Delmer et al. (1979). Gukanshō, pp.282-283; Varley, H. Paul. (1980). Jinnō Shōtōki, p. 164.
  2. ^ Brown, p. 282.
  3. ^ a b Titsingh, p. 103.
  4. ^ Titsingh, p. 104.
  5. ^ Titsingh, p. 105.


External links

Tenchō 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
Gregorian 824 825 826 827 828 829 830 831 832 833 834

Preceded by:

Era or nengō:

Succeeded by:



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