Japanese era from 923 to 931

Enchō (延長) was a Japanese era name (年号,, nengō,, lit. "year name") after Engi and before Jōhei. This period started in April 923 and ended in April 931.[1] The reigning emperors were Emperor Daigo-tennō (醍醐天皇) and Emperor Suzaku-tennō (朱雀天皇).[2]

Events of the Enchō era

  • 929 (Enchō 7, 8th month): Floods devastated the country and many died.[3]
  • 24 July 930 (Enchō 8, 26th day of the 6th month): Lightning struck the Imperial Palace. Fuijwara no Kiyotsura and Taira no Mareyo and many others were killed. The deaths were interpreted as an act of revenge by the spirit of the late Sugawara Michizane.[4]
  • 16 October 930 (Enchō 8, 22nd day of the 9th month): In the 34th year of Daigo's reign, the emperor fell ill; and the succession (senso) was received by a his son. Shortly thereafter, Emperor Suzaku's role as monarch was confirmed by ceremonies (sokui).[5]
  • 23 October 930 (Enchō 8, 29th day of the 9th month): Emperor Daigo died at the age of 46.[6]
In Enchō 8, the thunder and lightning of a great storm were believed to show the anger of Sugawara Michizane

In Enchō 8, the thunder and lightning of a great storm were believed to show the angry spirit of Sugawara Michizane



  1. Nussbaum, Louis-Frédéric. (2005). "Enchō" in Japan Encyclopedia, p. 177.
  2. Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 129-134; Brown, Delmer et al. (1979). Gukanshō, p. 291-293; Varley, H. Paul. (1980). Jinnō Shōtōki, p. 179-181.
  3. Titsingh, p. 134.
  4. Titsingh, p. 134; Brown, p. 293; Varley, p. 179-181.
  5. Brown, p. 293; Varley, p. 44; a distinct act of senso is unrecognized prior to Emperor Tenji; and all sovereigns except Jitō, Yōzei, Go-Toba, and Fushimi have senso and sokui in the same year until the reign of Emperor Go-Murakami. Compare Kunaichō, Ceremony of Accession (Sokui-no-Rei); retrieved 2012-6-29.
  6. Titsingh, p. 134; Kunaichō, 醍醐天皇 (60); retrieved 2012-6-29.

Other websites


Enchō 1st 2nd 3rd 4th 5th 6th 7th 8th 9th
923 924 925 926 927 928 929 930 931
Preceded by:
Era or nengō:
Succeeded by: