Shōka (era)Shōka was a Japanese era name after Kōgen and before Shōgen. This period spanned the years from March 1257 to March 1259. The reigning emperor was Emperor Go-Fukakusa.Change of era1257 Shōka gannen: The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Kōgen 2.Events of the ''Shōka'' era1257 : A major epidemic.