Unit 731 was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that operated from 1936 to 1945 during the Second Sino-Japanese War and World War II
. Located in Pingfang district of Harbin, Manchukuo (now Northeast China), it was responsible for some of the most notorious war crimes committed by Japanese armed forces1
. Led by Lieutenant General Shirō Ishii, Unit 731 conducted lethal human experimentation and biological weapons manufacturing1
. The facility, built in 1935, replaced the Zhongma Fortress and expanded Japan's capabilities in biological warfare1
. Key aspects of Unit 731:1
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. Affiliated units operated in Nanking (Unit 1644), Beijing (Unit 1855), and Changchun (Unit 100)3
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.After Japan's surrender in 1945, much of the evidence was destroyed
. The Japanese government did not acknowledge Unit 731's atrocities until 1988 and has yet to formally apologize2
. In 2002, Tokyo District Court ruled that Japan had committed biological warfare in China1
.What were the most horrific experiments conducted at Unit 731
How did the Japanese government justify the existence of Unit 731
What happened to the scientists and staff of Unit 731 after the war
How did the international community respond to the revelations about Unit 731
Are there any surviving records or documents from Unit 731