The building was the headquarters in China of the Imperial Japanese Army’s Unit 731. And Shimizu finally told his wife that he had been a member of the infamous biological warfare unit that used ...

FORGOTTEN HISTORY Unit 731 - World War II Posted: February 14, 2025 | Last updated: February 14, 2025 In 1937 Japan created Unit 731 as a medical engineering unit responsible for testing ...

Unit 731, operating in occupied Manchuria, was responsible for cruel experiments on Chinese civilians and prisoners of war. Between 1932 and 1945, at least 270,000 people died there.

IIDA, Nagano Prefecture—Hideo Shimizu has been frustrated by the reluctance of a peace memorial museum here to display panels about the infamous Unit 731, where he worked during World War II.