Bakumatsu

Bakumatsu (幕末, bakumatsu?, "Late Tokugawa Shogunate"), literally "end of the curtain", are the final years of the Edo period when the Tokugawa shogunate came to an end. It is characterized by major events occurring between 1853 and 1867 during which Japan ended its isolationist foreign policy known as sakoku and transitioned from a feudal shogunate to the Meiji government. The major ideological/political divide during this period was between the pro-imperialist ishin shishi (nationalist patriots) and the shogunate forces, including the elite Shinsengumi (newly selected corps) swordsmen.

Although these two groups were the most visible powers, many other factions attempted to use the chaos of Bakumatsu to seize personal power. Furthermore there were two other main driving forces for dissent: first, growing resentment on the part of the tozama daimyo (or outside lords), and second, growing anti-western sentiment following the arrival of Matthew C. Perry. The first related to those lords who had fought against Tokugawa forces at the Battle of Sekigahara (in 1600) and had from that point on been excluded permanently from all powerful positions within the shogunate. The second was to be expressed in the phrase sonnō jōi, or "revere the Emperor, expel the barbarians". The turning point of the Bakumatsu was during the Boshin War and the Battle of Toba-Fushimi when pro-shogunate forces were defeated.

Read more about Bakumatsu:  Foreign Frictions, Commodore Perry (1853–54), Treaties of Amity and Commerce (1858), Military Interventions Against Sonnō Jōi (1863–1865)