《资治通鉴·汉纪·汉纪五》
八月，丙午，齐王准备派人杀国相召平；召平得知，就发兵包围了王宫。
八月，丙午，齐王欲使人诛相。相闻之，乃发卒卫王宫。
In August, on Bingwu, King Qi planned to send someone to kill Prime Minister Zhao Ping; Zhao Ping learned about it and sent troops to surround the palace.