Overview
The was a small elite group of swordsmen that was organized by commoners and low rank samurai, commissioned by the (military government) during Japan's Bakumatsu period (late Tokugawa shogunate) in 1863. It was active until 1869. It was founded to protect the shogunate representatives in Kyoto at a time when a controversial imperial edict to exclude foreign trade from Japan had been made and the Chōshū clan had been forced from the imperial court. They gained considerable fame in the Ikedaya incident and the August 18 coup events, among others. The men were drawn from the sword schools of Edo.
History
Japan's forced opening to the west in 1854, which required it to open its shores for trade or face military conflict, exacerbated internal political instability. One long-standing line of political opinion was (meaning, "revere the emperor, expel the barbarians"). Loyalists (particularly in Chōshū Domain) in Kyoto began to rebel. In response, the Tokugawa shogunate formed the on October 19, 1862. The was a squad of 234 (samurai without masters) drawn from the sword schools of Edo.
The squad's nominal commander was the hatamoto Matsudaira Katamori, and their leader was Kiyokawa Hachirō, a from Shōnai Domain. The 's mission was to protect Tokugawa Iemochi, the 14th , during an important trip to Kyoto to meet with the Emperor Kōmei. There had not been such a meeting since the third of the Tokugawa , Tokugawa Iemitsu, had visited Kyoto in the 17th century. Tokugawa Iemochi, the head of the military government, the , had been invited to discuss how Japan should enact the recent imperial edict calling for the expulsion of foreigners.
From Wikipedia (CC BY-SA 4.0).