About Tenpō Famine
The Tenpō famine, also known as the Great Tenpō famine was a famine which affected Japan during the Edo period. It is considered to have begun in 1833, and lasted until 1837. It was named after the Tenpō era, during the reign of Emperor Ninkō. The ruling shōgun during the famine was Tokugawa Ienari.