Jian (era)

Jian (治安) was a Japanese era name (年号), also known as Chi'an, after Kannin and before Manju.  This period spanned the years from February 1021 through July 1024. The reigning emperor was Go-Ichijō-tennō (後一条天皇).

Change of Era

 * 1021 Jian gannen (治安元年): The era name was changed to mark an event or series of events. The previous era ended and a new one commenced in Kannin 5, on the 2nd day of the 2nd month of 1021.

Events of the Jian era

 * 1023 (Jian 3, 4th month): An epidemic in Kyoto was so severe that there were corpses in the streets; disease spread throughout the country.
 * 1023 (Jian 3, 10th month): Fujiwara no Michinaga visits Mt. Koya.
 * December 29, 1023 (Jian 3, 14th day of the 11th month): a lunar eclipse.