Knowra Tenpō Tenpō Tenpō was a Japanese era name used from 1830 to 1844 during Emperor Ninkō’s reign. It encompassed the Tenpō famine and reforms undertaken by the Tokugawa shogunate.
Tenpō famine : A severe famine in Japan, especially in the early 1830s, caused by crop failures, high prices, and inadequate relief. It was the era’s most devastating crisis, killing many people and intensifying unrest.
Japanese era name : A reign-based Japanese calendar designation that changes when an emperor succeeds or a new era is proclaimed. Tenpō was one such designation, marking dates in the years 1830–1844.
Tokugawa shogunate : A military government that ruled Japan from 1603 to 1868 under the Tokugawa family. Its officials governed through the Tenpō crises while the emperor’s court supplied the era name.
Tokugawa decline : The weakening of the Tokugawa shogunate before its overthrow in 1868. Famine, unrest, and unsuccessful reforms added to the governing problems visible during Tenpō.
Tenpō Reforms : A set of austerity and social-control measures introduced by the Tokugawa shogunate from 1841 under Mizuno Tadakuni. These reforms were the shogunate’s major response to fiscal strain and social disorder during the era.
Emperor Ninkō : The 120th emperor of Japan, whose reign lasted from 1817 to 1846. Tenpō fell within his reign, though political power rested largely with the shogunate.
Tokugawa Ieyoshi : The twelfth Tokugawa shogun, who held office from 1837 to 1853. He was shogun during the later Tenpō years and the failed reform campaign.
Meiji Restoration : The political transformation of 1868 that ended Tokugawa rule and established imperial government. It followed decades of turmoil to which Tenpō-era crises contributed.
Mizuno Tadakuni : A senior Tokugawa shogunate official who led the Tenpō Reforms as chief senior councilor. His policies became the era’s best-known attempt to restore shogunate authority.
Bunsei : A Japanese era name used from 1818 to 1830, immediately before Tenpō. Its closing years preceded the disasters and political pressures associated with Tenpō.
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