In March 23, 1183 (February 21, 1183 under the old lunar calendar), MINAMOTO no Yoshihiro (Teacher Saburo Shida), the uncle who lived in Hitachi, raised an army to attack Kamakura.
寿永2年（1183年）2月、常陸に住む叔父・源義広(志田三郎先生)が21日に鎌倉を攻めるべく兵を挙げた。