Jian (治安) was a Japanese era name (年号, nengō, lit.
"year name"), also known as Chi'an, after Kannin and before Manju.
This period spanned the years from February 1021[1] through July 1024.
[2] The reigning emperor was Go-Ichijō-tennō (後一条天皇).
This article about a Japanese era name is a stub.