Kanna was a Japanese era name after Eikan and before Eien. This period spanned the years from April 985 through April 987. The reigning emperors were En'yu-tennō (円融天皇) and Ichijō-tennō (一条天皇).
Usage
See Special:Whatlinkshere/Etymology:Kanna for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.