1221 - The forces mainly consisting of the Hojo clan defeated Emperor Go-Shirakawa's faction (the completion of taking control of the whole of country, especially Saigoku (western part of Japan (especially Kyushu, but ranging as far east as Kinki) and taking control of Imperial Court).
1221年（承久3年）-北条氏を中心とする軍勢が承久の乱で後鳥羽天皇方を破る（全国特に西国掌握の完了、朝廷の掌握）。