Unit 731 - World War II. Posted: June 5, 2025 | Last updated: June 14, 2025. In 1937 Japan created Unit 731 as a medical engineering unit responsible for testing, producing and storing biological ...

Shimizu spent over four months with Unit 731 before fleeing with retreating Japanese forces. When he returned home, he was told never to speak about what he had seen. For over 70 years, he didn’t.

This photo taken on Dec. 12, 2024 shows the wall with victims' names at the former site of Unit 731 in Harbin, northeast China's Heilongjiang Province.(Xinhua/Wang Song) ...

Led by Gen. Shiro Ishii, Unit 731 researchers "used men and women as involuntary test subjects, causing them unspeakable pain and suffering as they were injected with germs, fed infected foods ...

JAPAN’s “Unit 731” committed some of the most notorious war crimes the world has ever seen. A notorious branch of the imperial Japanese army, it carried out horrifying human exper… ...

Unit 731 was based in the outskirts of Harbin in what was then Manchuria, now northeastern China, where Japan had a puppet state. It is said to have conducted studies on biological weapons using ...

He also read a book that claimed Unit 731 was a “hoax.” Shimizu said he felt like his experience was being denied, and that certain people were intent on distorting historical facts.

Inside Japan's hellish 'Unit 731' where WW2 inmates were raped to infect them with syphilis, PoWs burnt alive in flamethrower practice and children given 'anthrax chocolates' in horrific human ...

Plague-infected fleas bred in Unit 731's labs were also scattered over Chinese cities via low-flying planes which caused deadly disease outbreaks that wiped out hundreds of thousands of civilians.

GRAPHIC CONTENT WARNING: Hideo Shimizu was 14 when he was drafted to the city of Harbin in Japanese-occupied Manchuria. He bore witness to some of history's worst atrocities.