The third battle at the Uji River was the primary battle of the Jōkyū War in Japan. Bakufu forces led by Hōjō Yoshitoki, shikken (regent) of the Kamakura shogunate, sought to enter Kyoto and overthrow Emperor Go-Toba, using Uji and Seta as their gateways.
The Emperor's forces, alongside warrior monks from Mount Hiei, attempted to make a final stand at the bridge into Kyoto, defending it from the Shōgun's armies.
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Jōkyū War (承久の乱, jōkyū no ran), also known as the Jōkyū Disturbance or the Jōkyū Rebellion, was fought in Japan between the forces of Retired Emperor Go-Toba and those of the Hōjō clan, regents of the Kamakura shogunate, 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 era, just outside the imperial capital of Kyōto. It was the third battle to be fought there in less than half a century.