QAnon has definitively set the date of March 4th in which former President Trump returns to the White House.
https://www.businessinsider.com.au/why-qanon-fanatics-are-pinning-last-hopes-trump-march-4-2021-2
Apparently some people can just make things up and other people believe them.
Flat Earth, UFOs, stolen federal elections, aliens from different dimensions,
etc. etc. etc.
I think the Russians intelligence services have the right term to describe people like this: Useful Idiots