The Tokugawa Shogunate (also called the Edo bakufu) was established by Tokugawa Ieyasu after his victory at the Battle of Sekigahara in 1600 and his formal appointment as shōgun by the emperor in 1603. It governed Japan from its capital at Edo (modern Tokyo) until the Meiji Restoration of 1868, making it the longest-lasting of Japan's three shogunates.
Power was organized through the bakuhan system, in which the shōgun directly controlled key territories and cities while roughly 250–280 regional lords (daimyō) governed their domains (han) under his suzerainty. The regime enforced loyalty through sankin-kōtai, the alternate-attendance system formalized under the third shōgun Tokugawa Iemitsu in 1635, which required daimyō to spend alternating periods in Edo and to leave their families there as effective hostages.
From the 1630s, a series of edicts produced the policy later known as sakoku ("closed country"), sharply restricting foreign contact, expelling Portuguese traders in 1639, suppressing Christianity after the Shimabara Rebellion (1637–38), and limiting foreign trade primarily to controlled Dutch and Chinese contacts at Dejima in Nagasaki, plus relations with Korea via Tsushima and the Ryūkyū Kingdom via Satsuma. Society was formally stratified into four estates: samurai, peasants, artisans, and merchants.
The shogunate's authority eroded in the 19th century under fiscal strain, peasant unrest, and external pressure. Commodore Matthew Perry's U.S. naval squadron arrived in 1853, leading to the Convention of Kanagawa (1854) and the unequal Harris Treaty (1858). Domestic opposition coalesced around the slogan sonnō jōi ("revere the emperor, expel the barbarians"). The last shōgun, Tokugawa Yoshinobu, resigned in 1867, and imperial rule was formally restored in January 1868, inaugurating the Meiji era.
For IR and MUN research, the Tokugawa period is a key case study in isolationism, controlled trade regimes, and the collision between a closed political order and 19th-century imperial expansion.
Example
In 1854, Commodore Matthew Perry's "black ships" forced the Tokugawa Shogunate to sign the Convention of Kanagawa, ending more than two centuries of restricted foreign contact.