Generally speaking, the so-called “Mandela Effect” is a mass mis-remembering of specific historical events that never technically, actually happened. The term itself is something of an example of the very effect it describes, as the proper title is “confabulation.” I am not making that up. The effect is seen in the general public believing some historical thing to have happened such a way, and it becomes a popular trope, whereas, naturally, it never happened, and certainly not that way.
In point of fact, the person who labeled confabulations as the Mandela Effect postulates that the events that we all remember – incorrectly – are in fact correct, but in a different reality. Somehow the thing we remember happening is transferring from another (presumably parallel) universe into our own because we are naturally connected to the other realities. In her theory, Nelson Mandela DID die in prison in the 1980s and so our corporate belief that this happened isn’t “false,” it’s just from a different reality.
And you thought JJ Abrams fucked up Star Trek?
Now we are told that the Clinton Impeachment was “different” from the current political witch hunt because the Clinton fiasco was about morality and this is all about the abuse of power.
I am sure that there is some other reality in which that is completely true…ish…