Has any conspiracy theory turned out to be true?
There are various lists of conspiracy theories that turned out to be true:
The implication would seem to be lend credence to current conspiracy theories. But these lists tend to contain many entries which were either not about conspiracies, were never part of a conspiracy theory, or are still quite dubious.
Are there any examples of a theory which:
- Postulates a large-scale conspiracy, that is, a significant group of people having a shared secret plan to cause harm or commit a crime.
- Was believed by a vocal minority, but widely regarded as nonsense.
- Eventually turned out to be correct, such that virtually everyone agrees with it now.