1931年9月18日晚,日本进驻在中国东北的关东军,突然炮击东北军的沈阳北大营,攻占沈阳,制造了九一八事变。数月后,日本侵略军向辽宁、吉林、黑龙江省全面进攻。在蒋介石不抵抗政策的纵容下,日军迅速占领了铁路沿线的许多重镇和战略要 On the evening of September 18, 1931, the Kwantung Army stationed in northeast China by Japan suddenly shelling the Northeastern Military Corps at Shenyang Beidaiying camp to capture Shenyang and create the September 18th Incident. A few months later, the Japanese aggressors attacked Liaoning, Jilin and Heilongjiang Province in full. Under the indulgence of Chiang Kai-shek’s policy of no resistance, the Japanese army quickly occupied many major centers and strategic areas along the railway