Combatants Boshin War Imperialist.
For the two centuries prior to 1854, Japan had severely limited exchange with foreign nations, with the notable exceptions of Korea via Tsushima, Qing China via the Ryūkyūs, and the Dutch through the trading post of Dejima.

Although the Boshin War was over, the fallout from this series of events continued. Die-hards from the Northern Coalition, as well as a few French military advisers, tried to set up the separate Ezo Republic on the northern island of Hokkaido, but the short-lived republic surrendered and winked out of existence on June 27, 1869.

The Battle of Aizu (Japanese: 会津戦争, "War of Aizu") was fought in northern Japan from October to November in autumn 1868, and was part of the Boshin War.. History. The Boshin War (1864-1876) was a civil war in Japan fought between the clans loyal to the Tokugawa Shogunate and the clans that sought to restore the emperor to power. The Boshin War was a civil war in Japan fought for 1868-1869 between the forces of the ruling Tokugawa Shogunate and the Imperialist forces, consisting of armies from southern Japan under Emperor Meiji and a number of other samurai and nobles. Aizu was known for its martial skill, and maintained at any given time a standing army of over 5000. In large part due to the humiliating ter…

It was often deployed to security operations on the northern fringes of the country, as far north as southern Sakhalin. In 1854, Commodore Perry opened Japan to global commerce with the implied threat of force, thus initiating a period of rapid development in foreign trade and Westernization.