The Kamakura Period (jan 1, 1185 – dec 31, 1192)
Description:
There was a "temporary" tent government but the Emperor died, that gave Yoritomo (A Japanese shogun) an opportunity to increase his power. He made the Imperial court give him more power and a better title. This lead to the Jõkyu war during 1221 to restore power to the Emperors.
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