Here's an article about the Soviet terror-famine (known as the Holodomor) which killed 4 million Ukranians. No worrisome notifications on this article, so I assume it meets your rigorous standards:
https://en.wikipedia.org/wiki/Holodomor
And here's one about the so-called 'Great Leap Forward', when the Chinese Communist Party's top-down modernization plans resulted in the accidental deaths of ~50 million human beings.