Unit Ei 1644
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'''Unit Ei 1644''' ([[Japanese language|Japanese]]: 栄1644部隊), also known as "Unit 1644" was a medical research unit of the [[Japanese Imperial Army]] based in [[Nanjing]], [[China]].
Unit 1644 was established after the [[Nanjing Massacre]]. It was originally established as an Epidemic Prevention and Water Supply Department (EPWSD) (Boeki Kyusui Bu). It soon became a center for the testing of [[chemical weapon|chemical]] and [[biological weapon]]s. It was part of the human experimentation facilities operated by [[Shiro Ishii]].
Unit 1644 conducted tests to determine human susceptibility to a variety of harmful stimuli ranging from infectious diseases to poison gas. It was the largest germ experimentation center in China. Unit 1644 regularly carried out human [[vivisection]]s as well as infecting humans with [[cholera]], [[typhus]], and [[bubonic plague]].
It is possible that the Japanese, who controlled Manchuria at the time, designated the unit "1644" because it was in this year that the [[Manchu Dynasty]] took control of China.
==See also==
*[[Japanese war crimes]]
==References==
*Hal Gold, Unit 731 Testimony, Yenbooks: Singapore, 1996, p.151-152
*"Inter Armma Enim Silent Leges: The Impunity of Japan's Secret Biological Warfare Unit", Patrick Fong, New England Journal of International and Comparative Law, Vol. 6, p. 1-15.
==External links==
*http://www.lit.osaka-cu.ac.jp/~tsuchiya/gyoseki/presentation/ICHS05oral.html
[[Category:Japanese human experimentation]]
[[Category:Biological warfare facilities]]
[[Category:Chemical warfare]]
[[Category:Imperial Japanese Army]]
[[Category:Japanese human experimentation]]
[[Category:Second Sino-Japanese War]]
[[Category:War crimes in China]]
{{IJA special research units}}