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Tokugawa Iemochi

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Tokugawa Iemochi was the 14th shōgun of the Tokugawa shogunate in Japan. A shōgun was a powerful military leader who held central authority. Iemochi held this office from 1858 until his death in 1866. His reign occurred during a period of massive transition for the nation. Japan was beginning to re-open its borders to various Western nations. This process caused significant internal turmoil and political instability. The shogunate itself began to weaken during these turbulent years.

Abraham Lincoln to the Shogun of Japan 14 November 1861
Abraham Lincoln to the Shogun of Japan 14 November 1861

Iemochi was born on July 17, 1846, in Edo. Edo is known today as Minato-ku in Tokyo. He was the eldest son of Tokugawa Nariyuki and a concubine named Jitsujoin. His family had deep ties to the ruling class. Nariyuki was a younger son of the 11th shōgun, Tokugawa Ienari. In 1847, when Iemochi was only one year old, he was adopted. He became the heir to the 12th-generation daimyō, Tokugawa Narikatsu. A daimyō was a powerful feudal lord. In 1850, he succeeded Narikatsu and took the name Tokugawa Yoshitomi after his coming of age in 1851.

His path to becoming shōgun was marked by political conflict. In 1858, he had an audience with the shōgun Iesada. Iesada adopted him as his son and named him the successor. However, many government factions disagreed with this choice. They preferred adult candidates for the leadership role. These groups supported either Tokugawa Yoshinobu or Matsudaira Naritami. Once he officially assumed the office of shōgun, he changed his name to Iemochi.

Letter of Napoleon III to the Japanese Shogun to introduce Leon Roches in replacement of Duchesne de Bellecourt
Letter of Napoleon III to the Japanese Shogun to introduce Leon Roches in replacement of Duchesne de Bellecourt

Because Iemochi was young, specific rules were created to help him rule. Before shōgun Iesada died, he left a formal will. This document established a system of shared administration. First, a man named Ii Naosuke was tasked with assisting Iemochi. This help would continue until Iemochi was old enough to rule alone. Second, the will required that all political issues be discussed with Tenshōin. Tenshōin was Iemochi's adoptive mother. These instructions were meant to maintain stability during his minority.

Iemochi also participated in the kōbu gattai movement. This movement aimed for the "Union of Court and Bakufu." The Bakufu was the shogunate government. To support this union, Iemochi married Princess Kazu on February 11, 1862. Princess Kazu was the daughter of Emperor Ninko. She chose to use the title "Miya" instead of "Midaidokoro." This marriage was a major diplomatic effort to connect the imperial court and the military government. On April 22, 1863, Iemochi made a historic journey to the capital, Kyoto. He traveled in a massive procession with 3,000 retainers. This was the first time a shōgun had visited Kyoto in 230 years. The last such visit had been by Iemitsu during the Kan'ei era.

Iemochi's life ended prematurely at the age of 20. He died on August 29, 1866. Most reports state that he died from heart failure caused by beriberi. Beriberi is a disease resulting from a deficiency of thiamine, which is also called vitamin B1. Before he died, he took steps to ensure a future for his line. He adopted a three-year-old boy named Tayasu Kamenosuke as his heir. This boy was later known as Tokugawa Iesato. Because the shogunate was at war with the Chōshū domain, the adult Tokugawa Yoshinobu was appointed the 15th shōgun. Yoshinobu eventually adopted Iemochi's son, Tayasu Kamenosuke.

Iemochi's death marked a turning point in Japanese history. His successor, Tokugawa Yoshinobu, became the very last Tokugawa shōgun. Yoshinobu's reign saw the total end of the shogunate system. This period of change is known as the Meiji Restoration. Iemochi was eventually buried in Zōjō-ji. His Buddhist name was Shonmyoin. His life serves as a bridge between the old feudal order and the modern era of Japan.

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