1937年12月发生的南京大屠杀,是侵华日军制造的一起震惊中外的历史事件。在这次事件期间,曾有20余住外国人士留守南京,并组织有“南京安全区国际委员会’’(后改称“南京国际救济委员会”)和国际红十字南京分会等团体。这些外国人士在保护和救济南京难民的同时,耳闻目睹了侵华日军南京大屠杀的全过程。安全区国际委员会曾将他们所知的日军在安全区内的暴行逐日记载下来,并 The Nanjing Massacre in December 1937 was a historical incident that stormed both Japan and China together by Japanese troops invaders. During this incident, more than 20 foreign residents stayed in Nanjing and organized groups such as the “International Committee of the Nanjing Security Zone” (later renamed the “Nanjing International Relief Commission”) and the International Red Cross Nanjing Branch. While protecting and relieving the Nanjing refugees, they witnessed the entire process of the massacre of the Nanjing Massacre by Japanese troops, and the International Committee of the Security Zone documented daily the daily atrocities committed by the Japanese troops in the safe areas.