68年前的7月7日,在北京西南郊的卢沟桥,日军挑起了全面侵华战争,中国驻军第29军官兵英勇反击,打响了八年抗战的第一枪。战前态势1931年九一八事变后,日军迅速占领中国东三省,尔后建立了伪“满洲国”,紧接着又西侵南犯。在蒋介石顽固推行“攘外必先安内”的错误方针下,日军得以? Six years ago, on July 7, Lugouqiao in the southwestern suburbs of Beijing provoked an all-out war of aggression against China. The officers and men of the 29th Army stationed in China marched heroously to the ground and the first shot of the eight-year war of resistance started. Pre-war situation After the September 18 Incident of 1931, the Japanese army quickly occupied the three northeastern provinces of China and later established the pseudo-Manchukuo, followed by a westward invasion of the South. Under the erroneous policy of Chiang Kai-shek stubbornly pursuing “internal aggression and external aggression outside the country,” the Japanese have been able to?