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Politics & World • War Crime

Nanjing Massacre

The Nanjing Massacre, also called the Rape of Nanjing, was a series of mass killings, rapes, arson, and looting committed by Japanese troops after they captured Nanjing, China, in late 1937.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The Nanjing Massacre, also called the Rape of Nanjing, was a series of mass killings, rapes, arson, and looting committed by Japanese troops after they captured Nanjing, China, in late 1937. It is widely regarded as one of the worst atrocities of the Second Sino-Japanese War and World War II. The event remains a major subject of historical memory and dispute in China-Japan relations.

Background

Japanese forces captured Nanjing during the Second Sino-Japanese War after the Battle of Nanjing. The city was then the capital of the Republic of China, making its fall a major wartime event.

Atrocities

Accounts describe mass executions, rape, looting, and arson carried out by Japanese troops against Chinese civilians and prisoners of war. The violence lasted for weeks after the city fell, with widespread sexual violence reported.

Death toll estimates

Estimates differ substantially. Scholarly and tribunal-based figures commonly range from 100,000 to more than 200,000 deaths, while some Chinese official and popular accounts cite 300,000 or more. The International Military Tribunal for the Far East accepted figures of more than 200,000 killed.

War-crimes trials and remembrance

The Nanjing atrocities were addressed in the postwar Tokyo War Crimes Trial. The massacre remains central to public memory and diplomatic tensions between China and Japan, and it is also relevant to Canada’s broader interest in Asia-Pacific history and postwar human-rights memory.

Key facts

  • The massacre followed the Japanese capture of Nanjing on 13 December 1937.
  • Victims included civilians and disarmed soldiers, with widespread sexual violence reported.
  • Death toll estimates vary widely, reflecting different methodologies and sources.
  • The International Military Tribunal for the Far East accepted figures of more than 200,000 killed.
  • The event remains a major subject of historical memory and dispute in China-Japan relations.
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Canadian context

Canadian readers may encounter the Nanjing Massacre in World War II history, international law, and genocide and atrocity studies; it is also relevant to Canada’s broader interest in Asia-Pacific history and postwar human-rights memory.

Frequently asked questions

What was the Nanjing Massacre?
It was the mass killing, rape, and looting committed by Japanese troops in Nanjing after the city was captured in 1937.
When did it happen?
It is usually dated from December 1937 into early 1938, often described as lasting about six weeks.
Who were the victims?
The victims were mainly Chinese civilians, noncombatants, and disarmed soldiers in and around Nanjing.
How many people died?
Estimates vary widely. Commonly cited scholarly figures range from 100,000 to 200,000, while some accounts place the total at 300,000 or more.
Why is it historically important?
It is regarded as one of the worst atrocities of the Second Sino-Japanese War and is a major issue in the history and memory of East Asia.
Is there agreement on the details?
No. The overall reality of mass atrocity is widely accepted, but the scale, duration, and exact death toll remain disputed among historians and political actors.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Nanjing_Massacre
    Supports: Basic description, alternative name, dates, location, perpetrators, and broad death-toll range.
  2. Encyclopaedia Britannicahttps://www.britannica.com/event/Nanjing-Massacre
    Supports: Summary of the event, timing, and characterization as mass killing and ravaging after Nanjing's capture.
  3. USC Shoah Foundationhttps://sfi.usc.edu/collections/nanjing-massacre
    Supports: Death toll estimate, trial context, and wartime legal aftermath.
  4. Oxford Research Encyclopediashttps://oxfordre.com/asianhistory/display/10.1093/acrefore/9780190277727.001.0001/acrefore-9780190277727-e-147
    Supports: Definition, atrocities included, and historical significance.
  5. China.org.cnhttps://www.china.org.cn/english/china_key_words/2015-11/16/content_37077662.html
    Supports: Chinese official-style account of duration, atrocities, and 300,000 death toll claim.
  6. BBC Newshttps://www.bbc.com/news/articles/cp89ed9j5ygo
    Supports: Ongoing significance in China-Japan relations and commonly cited casualty figures.
  7. EBSCO Research Startershttps://www.ebsco.com/research-starters/history/rape-nanjing
    Supports: Overview of atrocities, duration, and common casualty and rape estimates.
  8. People's Daily Onlinehttps://en.people.cn/n3/2025/1212/c90000-20401544.html
    Supports: Chinese remembrance, 300,000-plus death toll framing, and continuing commemoration.