- Ancient Japan to 1185
- Early modern Japan (1550–1850)
- Japan from 1850 to 1945
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In 1845, when Abe Masahiro replaced Mizuno Tadakuni as head of the rōjū, there were various reactions against the Tempō reforms. Reaction against domestic reform was comparatively calm, however, and the major stumbling block facing the bakufu was the foreign problem. The Netherlands, the only European power trading with Japan, realized that, if Britain succeeded in forcing Japan to open the country, it would lose its monopoly; so the Dutch now planned to seize the initiative in opening Japan and thus to turn the situation to their own advantage. In 1844 the Dutch sent a diplomatic mission urging the bakufu to open the country, but Abe and the bakufu rulers refused this suggestion. Yet visits by foreign ships proliferated. In 1844, 1845, and 1846, British and French warships visited the Ryukyu Islands and Nagasaki to request commercial relations. In response, the bakufu in 1845 established a new office for coastal defense and various diplomatic posts. The defense system of Edo Bay also was revived, the number of domains on guard duty was increased, and new gun emplacements were built. In 1848 the bakufu decided not to revive the Order to Drive Away Foreign Ships, which had been rescinded during the Tempō reforms, but decided instead to continue extensive military preparations against potential attack.
Rumors had long circulated among the various Western powers that the U.S. government would send an expeditionary fleet to Japan. In 1846 Commander James Biddle of the American East Indian fleet appeared with two warships in Uraga Harbor (near Yokohama) and held consultations with bakufu representatives on the question of opening commercial relations. When refused by the bakufu, Biddle returned empty-handed. The United States, however, eagerly desired ports for fuel and provisions for its Pacific merchant and whaling ships and was not willing to give up attempts to open Japan. But the bakufu had for two centuries retained its political dominance through strict adherence to the policy of seclusion, and it could not muster up the resolution necessary to open the country. Opinion among the daimyo and samurai was split between seclusion and opening the country. The opening of Japan was thus postponed until the last possible moment and had to be effected unilaterally by foreign pressure, backed by massive naval strength. This pressure was initiated by the squadron of U.S. warships commanded by Commodore Matthew C. Perry that entered Uraga Bay in July 1853.
Kitajima Masamoto G. Cameron HurstJapan from 1850 to 1945
The Meiji restoration
The term restoration is commonly applied to the political changes in Japan that returned power to the imperial house in 1868. In that year the boy emperor Mutsuhito—later known by his reign name Meiji, or “Enlightened Rule”—replaced the Tokugawa bakufu, or shogunate, at the political center of the nation. Although phrased in traditional terms as a restoration of imperial rule, the changes initiated during the Meiji period (1868–1912) constituted a social and political revolution that began in the late Tokugawa period and was not completed until the promulgation of the Meiji constitution in 1889.