In July of the same year, Tokimasa failed to back up Tomomasa as a new Kamakura-dono (lord of Kamakura) by deposing MINAMOTO no Sanetomo, and this failure brought about his downfall (Makishi Incident).
同年7月、源実朝を廃して朝雅を新たな鎌倉殿として擁立しようとした時政が失脚（牧氏事件）。