Unit 731 was a covert Japanese biological warfare program that conducted lethal experiments on thousands of prisoners during World War II and remained classified for decades after the war ended.

A copy of a document substantiating details of the Imperial Japanese Army's Unit 731, and evidence of atrocities during the War of Resistance Against Japanese Aggression (1931-45). [Photo/China Daily] ...

The site of Unit 731 in Harbin, Northeast China's Heilongjiang province. [Photo/VCG] Various forms of evidence including trial recordings, documents and archives reveal bacterial development, human ...

HARBIN, May 22 (Xinhua) -- Chinese researchers recently reviewed the archives of the Khabarovsk Trial declassified by Russia, and released findings on the confession process of war criminals from the ...

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Visitors take photos on Aug 15, 2025, of newly unveiled evidence of Unit 731, a Japanese germ warfare unit during World War II, at the Exhibition Hall of Evidences of Crime Committed by Unit 731 of ...

The big-idea explorers at Aperture uncover the secret experiments conducted by Japan’s Unit 731 during wartime. Jimmy Kimmel announces change out of deference to final Colbert show Pentagon reveals ...

Abstract: The site of Unit 731 is a historical evidence of Japanese Imperial Army cruelly kill China during World War II. It belongs to one of latter-day sites in Harbin. However, with the historical ...