1940年8月20日,八路军在华北发动了有100多个团参加的“百团大战”。这次战役共发动大小战斗1824次,毙伤日伪军25800余人,破坏铁路450余公里,车站、桥梁、隧洞260多处,缴获大量武器、弹药和物资。给敌伪以沉重打击,坚定了全国人民抗战胜利的信心,提高了中国共产党和党所领导的? On August 20, 1940, the Eighth Route Army launched a “Hundred Regiment Campaign” with over 100 regiments participating in North China. A total of 1824 battle battles were launched in this campaign, killing more than 25800 Japanese and puppet troops and destroying more than 450 kilometers of railway lines. More than 260 stations, bridges and tunnels were seized and large quantities of weapons, ammunition and supplies were seized. Gave a heavy blow to the enemy and the puppet, strengthened their confidence in the victory of the people throughout the country and raised the leadership of the CPC and the party.