Shōhō (正保) was a Japanese era name (年号,, nengō,, lit. "year name") after Kan'ei and before Keian. This period started in December 1644 and ended in February 1648. During this time, the emperor was Go-Kōmyō-tennō (後光明天皇).
Shōhō (正保) was a Japanese era name (年号,, nengō,, lit. "year name") after Kan'ei and before Keian. This period started in December 1644 and ended in February 1648. During this time, the emperor was Go-Kōmyō-tennō (後光明天皇).