1180 - Yoritomo rose an army in Izu Province, to which he had been exiled, in order to seek and destroy the Taira clan (the master-servant relationship between Yoritomo and local samurai was established).
1180年（治承4年）-頼朝が平家追討のため配流先の伊豆国で挙兵する（頼朝と在地武士との主従関係の成立）。