There's a loooot of hoaxes, big and small, all departments, too many to get into, some big ones have been well-covered.
I'll just post... whatever in here.
Daycare Brenda: This image may be from 2018, IDK. The original story was scrubbed shortly after it went into a reddit robot youtube video, and the author (definitely a swyer) scrubbed it, somehow. I frankensteined some screengrabs together. This is about smalltime local hoaxes on a considerable scale.