Chōryaku

Chōryaku was a Japanese era name after Chōgen and before Chōkyū. This period spanned the years from April 1037 through 1040. The reigning emperor was Emperor Go-Suzaku of Japan.

Change of era

1037 Chōryaku gannen: The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Chōgen 10, on the 21st day of the 4th month of 1037.

Events of the ''Chōryaku'' era

1037 : The eldest son of Emperor Go-Suzaku has his coming of age ceremony. 1037 : Go-Suzaku formally names Chikihito as his heir and Crown Prince.1038 : Fujiwara no Chikaie was killed by a servant during an attempted robbery; and all the greats of the Fujiwara went into mourning.