KanninKannin was a Japanese era name after Chōwa and before Jian. This period spanned the years from April 1017 through February 1021. The reigning emperor was Emperor Go-Ichijo.Change of era1017 Kannin 1: The era name was changed to mark an event or series of events. The previous era ended and a new one commenced in Chōwa 6, on the 23rd day of the 4th month of 1017.Events of the ''Kannin'' eraJune 5, 1017 : The former-Emperor Sanjō died at the age of 42.January 22, 1018 : The emperor celebrated his coming-of-age ceremony.