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, also known as the Jōkyū Disturbance or the Jōkyū Rebellion, was fought in
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
between the forces of Retired Emperor Go-Toba and those of the
Hōjō clan The was a Japanese samurai family who controlled the hereditary title of '' shikken'' (regent) of the Kamakura shogunate between 1203 and 1333. Despite the title, in practice the family wielded actual political power in Japan during this perio ...
,
regents In a monarchy, a regent () is a person appointed to govern a state because the actual monarch is a minor, absent, incapacitated or unable to discharge their powers and duties, or the throne is vacant and a new monarch has not yet been dete ...
of the
Kamakura shogunate The was the feudal military government of Japan during the Kamakura period from 1185 to 1333. Nussbaum, Louis-Frédéric. (2005)"''Kamakura-jidai''"in ''Japan Encyclopedia'', p. 459. The Kamakura shogunate was established by Minamoto no Yori ...
, whom the retired emperor was trying to overthrow. The decisive battle of the conflict was fought at Uji in 1221, the third year of the
Jōkyū , also called Shōkyū, was a Japanese era name (年号, ''nengō'', lit. year name) after ''Kempo (era), Kempō'' and before ''Jōō (Kamakura period), Jōō.'' This period spanned the years from April 1219 through April 1222.Nussbaum, Louis-Fr ...
era, just outside the imperial capital of Kyōto. It was the third battle to be fought there in less than half a century.


Background

In the beginning of the 13th century, Emperor Go-Toba found his attempts at political maneuvers blocked by the
Kamakura shogunate The was the feudal military government of Japan during the Kamakura period from 1185 to 1333. Nussbaum, Louis-Frédéric. (2005)"''Kamakura-jidai''"in ''Japan Encyclopedia'', p. 459. The Kamakura shogunate was established by Minamoto no Yori ...
. Seeking independence, and the power he considered rightfully his as the ruler of Japan, Go-Toba gathered allies in 1221, and planned to effect an overthrow of the
shogunate , officially , was the title of the military rulers of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, except during parts of the Kamak ...
. These allies consisted primarily of members of the Taira clan, and other enemies of the
Minamoto was a noble surname bestowed by the Emperors of Japan upon members of the imperial family who were excluded from the line of succession and demoted into the ranks of the nobility since 814."...the Minamoto (1192-1333)". ''Warrior Rule in Jap ...
, the victors in the
Genpei War The was a national civil war between the Taira clan, Taira and Minamoto clan, Minamoto clans during the late Heian period of Japan. It resulted in the downfall of the Taira and the establishment of the Kamakura shogunate under Minamoto no Yori ...
, and clan of the ''
shōgun , officially , was the title of the military rulers of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, except during parts of the Kamak ...
s''. Accounts of the first Imperial banner appear in this period, and the very first is said to have been one that Go-Toba gave to a general during this war. Sun and moon images were embroidered or painted with gold or silver on a red brocade.National Archives of Japan
''Boshinshoyo Kinki oyobi Gunki Shinzu'', Imperial Standard during Boshin War (1868)
-- commentary mentions 1st Imperial banner appears in Jōkyū War.


Provocation and attack

In the fifth lunar month of 1221, the Retired Emperor Go-Toba decided on lines of succession, without consulting the shogunate and powerful Hojo clan. He then invited a great number of potential allies from amongst the eastern warriors of Kyoto to a great festival, thus revealing the loyalties of those who rejected the invitation. One important officer revealed his loyalty to the
shogunate , officially , was the title of the military rulers of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, except during parts of the Kamak ...
by doing so, and was killed. Several days later, the Imperial Court declared Hōjō Yoshitoki, the regent and representative of the shogunate, to be an outlaw, and three days later the entirety of eastern Japan had officially risen in rebellion. Hōjō Yoshitoki decided to launch an offensive against Go-Toba's forces in Kyoto, using much the same three-pronged strategy as was employed a few decades earlier. One came from the mountains, one from the north, and the third, commanded by Yoshitoki's son Yasutoki, approached via the Tōkaidō road. These forces faced meager opposition and resistance on their way to the capital; the Imperial commanders were simply outfought. When Go-Toba heard of this string of defeats, he left the city for Mount Hiei, where he asked for aid from the ''
sōhei were Buddhist warrior monks of both classical and feudal Japan. At certain points in history, they held considerable power, obliging the imperial and military governments to collaborate. The prominence of the ''sōhei'' rose in parallel w ...
'', the warrior monks of Mount Hiei. They declined, citing weakness, and Go-Toba returned to Kyoto. The remnants of the Imperial army fought their final stand at the bridge over the river Uji, where the opening battle of the Genpei War had been fought 41 years earlier. Yasutoki's cavalry pushed through, scattering the Imperial forces, and pressed on to Kyoto. The capital was taken by the Shogun's forces, and Go-Toba's rebellion was put to an end. Go-Toba was banished to the
Oki Islands The is an archipelago in the Sea of Japan, the islands of which are administratively part of Oki District, Shimane Prefecture, Japan. The islands have a total area of . Only four of the around 180 islands are permanently inhabited. Much of the ...
, from where he never returned. His sons were also banished, including Retired Emperor Tsuchimikado (to Tosa) and Retired Emperor Juntoku (to Sado), and the recently enthroned Emperor Chūkyō, the first son of Juntoku, was replaced with Emperor Go-Horikawa, a nephew of Go-Toba.


See also

*
Military history of Japan The military history of Japan covers a vast time-period of over three millennia - from the Jōmon ( 1000 BC) to the present day. After a long period of clan warfare until the 12th century, there followed feudal wars that culminated in military ...
* Kenmu Restoration


References


Further reading

* Ponsonby-Fane, Richard Arthur Brabazon. (1962).
''Sovereign and Subject.''
Kyoto: Ponsonby Memorial Society. {{DEFAULTSORT:Jokyu War 1220s in Japan 1221 in Asia 13th-century rebellions Civil wars in Japan Conflicts in 1221 Emperor Go-Toba Japanese imperial history Rebellions in Japan Wars involving Japan