Shōka (era)

Shōka (正嘉) was a Japanese era name (年号) after Kōgen and before Shōgen. This period spanned the years from March 1257 to March 1259. The reigning emperor was Go-Fukakusa-tennō (後深草天皇).

Change of era

 * 1257 Shōka gannen (正嘉元年): 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 era

 * 1257 (Shōka 1): A major epidemic.