What was that film with Mel Gibson called?
Where do you even start with somethig like this?
There's a fundamental difference between a conspiracy, of which there are many, and conspiracy theories.
And many on that that list are only 'true' if you're a conspiracy theorist.
The most obvious to start with is 23, the Kennedy Assassination. The Select Committee on Assassinations conclusion that there were multiple shooters has been dealt with. It was the misreporting of a noise picked up by a police motorcycle radio. The fact that its on the list is typical - maintaining the fiction that it was a conspiracy based on one line in a 1976 report that also includes the following:
Lee Harvey Oswald fired three shots at President John F. Kennedy. The second and third shots he fired struck the President. The third shot he fired killed the President.
President Kennedy was struck by two rifle shots fired from behind him.
The shots that struck President Kennedy from behind him were fired from the sixth floor window of the southeast corner of the Texas School Book Depository building.
Lee Harvey Oswald owned the rifle that was used to fire the shots from the sixth floor window of the southeast comer of the Texas School Book Depository building.
Lee Harvey Oswald, shortly before the assassination, had access to and was present on the sixth floor of the Texas School Book Depository building.
Lee Harvey Oswald's other actions tend to support the conclusion that he assassinated President Kennedy.Bohemian Grove and the Illuminati are real things, they just aren't organisations that run the world.
If you're putting the Manhattan Project in there you need to include D Day, the development of Radar ad a thousand other things that were kept secret during wartime.
Shadow Government?... really? It's true if you're a Trump supporter and believe in QAnon.
To refer back to my post about Carl Beech. One constant falacy used by conspiracy theorists is that because one thing is true, everything is true... Jimmy Saville was a real predatory paedophile so Carl Beech's ridiculous fantasies were treated as real. The Manhattan Project was real therefore Area 51 is a secret site housing flying saucers... But it's actually quite easy to tell the difference. Evidence.
There was plenty of evidence that Saville was a paedophile. It may have been dismissed at the time but it was there. There was no evidence that Leon Britton was a paedophile, just the fantasies of a child molestor.
The Manhattan Project was kept secret during the war (unfortunately not from the Russians thanks to Carl Fuchs) but there are documents, films, records, testimony and the detonations of atomic devices that prove it happened. Area 51 as a centre for alien investogations is supported by nothing.
And the great danger of lists like the one you posted is that it devalues the real conspiracies. It's insidious and opens the mind to the shite spread by the Leave campaign for Brexit and Trump in the US. If you can't tell the difference between Watergate and the Illuminati you are not in a position to dismiss stories of European Armies or the 'Deep State'.