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Chōshū, Japanese han (domain) that, along with the han of Satsuma, supported the overthrow of the Tokugawa shogunate (see Tokugawa period) and the creation of a new government headed by the emperor. With their superior familiarity with Western weapons, the Satsuma-Chōshū alliance was able to defeat the shogunal forces, bringing the emperor to power in the Meiji Restoration of 1868.

The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Kenneth Pletcher.
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