Mito Rebellion

What Happened

The Mito Rebellion, known in Japanese as the Tengutō no Ran, was an armed uprising against the Tokugawa shogunate that ran from 2 May 1864 to 14 January 1865. It began within Mito Domain, a Tokugawa branch domain in the Kantō region, and spread as a marching column of rebels moved west and north across the country. The rising was mounted in the name of sonnō jōi (尊王攘夷), "revere the emperor, expel the barbarians" — the slogan of radicals who wanted the shogunate swept aside and direct imperial rule restored.

The rebels were not a peasant army. They were samurai of Mito Domain, organised into a faction that took the name Tengutō, the "Tengu Band". They turned first on their own domain's leadership, which they accused of betraying Mito's long-standing loyalist tradition, and then on the shogunate itself. The rising was suppressed, and its suppression was brutal.

The fighting ended on 14 January 1865, though the reprisals continued afterwards. The shogunate executed the surviving leaders, and the domain itself was punished.

Background

Mito Domain held a special place in Tokugawa politics. It was one of the three gosanke (御三家), the senior branch houses from which a shogun could be drawn if the main line failed. Its prestige was therefore enormous, and so was the weight of its political opinions.

During the 1850s, under pressure from Western powers arriving in Japanese waters, the shogunate signed treaties that opened Japanese ports to foreign trade. Many samurai regarded this as a humiliation and a betrayal. Mito produced some of the loudest voices of opposition, and the domain became a centre of the sonnō jōi movement. The shogunate responded with purges and arrests, and Mito's loyalist faction was driven underground within its own domain.

By 1864 the radicals had concluded that persuasion had failed. On 2 May 1864 they rose in arms, marching out of Mito under the Tengutō banner. Their aim was to reach the imperial capital, Kyoto, and put their case directly to the emperor and to the shogunate's opponents there.

The march became the rebellion's defining episode. The column moved through the Kantō plain and into the mountains, pursued by shogunate forces and harried by domains that refused to shelter it. The route took the rebels through the Tsukuba district and past Mount Tsukuba. Cold, hunger and desertion thinned their ranks. In January 1865 the survivors surrendered.

Why It Mattered

The Mito Rebellion failed militarily, but it demonstrated something the shogunate could not ignore: that samurai of a senior Tokugawa house were willing to take up arms against the shogunate in the emperor's name. The fiction that the Tokugawa order was internally united had been broken from within.

The reprisals did lasting damage to the shogunate's standing. The punishments fell not only on the rebels but on Mito Domain as a whole, and the severity of the response alienated samurai who had not joined the rising. Mito, a domain that had been a pillar of the Tokugawa system, was pushed further toward the anti-shogunate camp.

The rebellion belongs to the Bakumatsu, the final years of Tokugawa rule, and it sits in the sequence of violent incidents that preceded the collapse of the shogunate in 1868. It showed that the sonnō jōi cause could mobilise trained samurai in open war, not merely in street attacks and assassinations. The men who survived the purge, and the domain they came from, were among those who later helped bring down the shogunate.

The Name in Japanese

The Japanese name is 天狗党の乱.

• Kana reading: てんぐとうのらん
• Romaji: Tengutō no Ran

Breaking it down:

天 — read ten here. It means "heaven" or "sky". It is the same character found in 天皇 (てんのう, tennō), "emperor".

狗 — read gu here. It means "dog". In this compound it carries no literal canine sense; it belongs to the word below.

天狗 — read tengu. Together the two characters name the tengu, a creature from Japanese folklore: a long-nosed, red-faced goblin of the mountains, associated with martial skill, pride and supernatural power. The name was adopted by the rebel faction as a self-description, invoking the tengu's reputation for fierce and unstoppable fighting.

党 — read tō. It means "party", "faction" or "band". So 天狗党 (てんぐとう, Tengutō) is "the Tengu Band" or "the Tengu Faction" — the name the rebels gave themselves.

の — read no. The possessive particle, linking the two halves of the name.

乱 — read ran. It means "rebellion", "revolt" or "disturbance". It is the standard character used in Japanese for naming uprisings, and it appears in the names of many conflicts of this period.

So the whole name means, plainly, "the Rebellion of the Tengu Band". English-language accounts sometimes call the same event the Mito Rebellion, after the domain, or the Kantō Insurrection, after the region.

Key Figures

The Tengutō — the rebel faction itself, made up of samurai from Mito Domain who took up arms on 2 May 1864 in the name of sonnō jōi. The faction gave the rebellion both its name and its fighting force.

The Tokugawa shogunate — the military government that the rebels rose against, and the power that suppressed the rising by 14 January 1865 and carried out the executions that followed.

The Shoseitō — the opposing faction within Mito Domain, aligned against the Tengutō. The rebellion was in part a struggle inside Mito itself, not only a confrontation with the shogunate in Edo.

Matsumoto Fūko — a figure connected with the conflict, referenced in accounts of the rebellion.