1939年9月1日~1945年9月2日发生的第二次世界大战,是以德国、意大利、日本法西斯等轴心国(及保加利亚、匈牙利、罗马尼亚等国)为一方,和以反法西斯同盟与全世界反法西斯力量为另一方进行的第二次全球规模的战争。从欧洲到亚洲,从大西洋到太平洋,先后有61个国家和地区、20亿以上的人口被卷入战争,作战区域面积2200万平方公里。据不完全统计,战争中军民共伤亡9000余万人,4万多亿美元付诸流水。 The World War II that took place from September 1, 1939 to September 2, 1945 was based on the Axis of Fascism (Germany, Italy, Japan) and Bulgaria (Bulgaria, Hungary and Romania) on the one hand and the Anti-Fascist The Second Global War on the Other Side of the Alliance with All-World Anti-Fascist Forces. From Europe to Asia, from the Atlantic Ocean to the Pacific Ocean, there are 61 countries and regions successively. Over 2 billion people have been involved in the war and the combat area covers an area of ​​22 million square kilometers. According to incomplete statistics, a total of more than 90 million casualties of civilians and civilians in the war were spent on over 4,000 billion U.S. dollars.