Shōryaku (正暦) was a Japanese era name (年号,, nengō,, lit. "year name") after Eiso and before Chōtoku. This period started in November 990 and ended in February 995. The reigning emperor was Ichijō-tennō (一条天皇).
Shōryaku (正暦) was a Japanese era name (年号,, nengō,, lit. "year name") after Eiso and before Chōtoku. This period started in November 990 and ended in February 995. The reigning emperor was Ichijō-tennō (一条天皇).