Damned STUPID Priest yesterday . . .

[Amarok]

 Marxist like regimes for 250 million Alex.

Nope that rightly them as groups that pretended they were Marxist and were just despots taking advantage of it .

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 (Soviet Union, North Korea, Maoist China, Khmer Rouge, Ho Chi Minh, etc.) inflicted upon religious groups in modern times. In fact, the state atheist regimes' atrocities against religion continue till this day in both China and North Korea.
The Holocaust had nothing to do with religion. The motivation for exterminating Jews and others was not Christianity but a non-religious collectivist ideology called Nazism.
And both Nazi Germany and Soviet Russia severely persecuted the peaceful Jehovah's Witnesses.

No such animal