Tenpō
Japanese era from January 1831 to January 1845 / From Wikipedia, the free encyclopedia
Tenpō (天保) was a Japanese era name (年号,, nengō,, lit. "year name"), also known as Tempō, after Bunsei and before Kōka. The period started in December 1830 and ended in December 1844.[1] During this time, the emperor was Ninko-tennō (仁孝天皇).[2]