On August 20, 1940, to break the Japanese "cage" policy "that invaded China and hinder the compromise and surrender of the Kuomintang Diehards, the eighth army of route led by the Communist Party of China launched a 100-regimental war in North China. The Regiment War will last from August 20, 1940 to January 24, 1941, and is divided into three stages: traffic aggression, tough battles, and反对“扫地”的行动。见证了扬quan的迅速变化，是中国共产党建立的第一个城市。t