第二次世界大战(1939年9月1日—1945年9月2日),是以中、苏、美、英等反法西斯同盟国反对德、意、日法西斯轴心国侵略的一场空前规模的世界战争。参加这次大战的有61个国家,军队达1亿1千万人。战争的序幕 1931年9月18日,盘踞在中国东北境内的日本关东军, The Second World War (September 1, 1939 - September 2, 1945) was an unprecedented scale of aggression against the fascist Axis Powers of Germany, Italy and Japan by the anti-fascist allies in China, the Soviet Union, the United States, and Britain World War. There are 61 countries participating in this war, the army reached 110 million people. The prelude to the war On September 18, 1931, the Japanese Kwantung Army entrenched in northeastern China,