Tokugawa Iesada (徳川 家定 Tokugawa Iesada, 1824–1858) was the 13th shogun of the Tokugawa shogunate of Japan who held office for only 5 years, from 1853 to 1858. He was mentally unfit to be shogun. 1824 was a leap year starting on Thursday (see link for calendar). ... 1858 is a common year starting on Friday. ... In Japanese history, a shōgun (将軍) was the practical ruler of Japan for most of the time from 1192 to the Meiji Era beginning in 1868. ... The Tokugawa shogunate or Tokugawa bakufu (徳川幕府) (also known as the Edo bakufu) was a feudal military dictatorship of Japan established in 1603 by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family until 1868. ... 1853 was a common year starting on Saturday (see link for calendar). ... 1858 is a common year starting on Friday. ...

Tokugawa Ieyoshi (1793–1853; r. ... The Tokugawa shogunate or Tokugawa bakufu (徳川幕府) (also known as the Edo bakufu) was a feudal military dictatorship of Japan established in 1603 by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family until 1868. ... Tokugawa Iemochi (徳川 家茂; 1846–1866) was the 14th shogun of the Tokugawa shogunate of Japan, who held office 1858 to 1866. ...