Unit 731: One of the Most Terrifying Secrets of the 20th Century
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Unit 731 was a secret biological and chemical warfare program formed in 1932 and operated by military personnel of the Japanese Imperial Army in Pingfan, Manchuria. Unit 731 was a large scale experiment on human lives (in many cases it is said to be the Japanese version of Dr. Mengele's operation at the holocaust concentration camp Aushwitz-Birkenau) during the second Sino-Japanese War and World War Two. The program was originally intended to develop chemical and biological weapons which the Japanese could use against the Chinese and possibly the Russians, however, it turned into a human extermination and one of the biggest cover-ups in human history.