I love checking back on the list of longest-lived hoaxes on Wikipedia, because they keep digging this stuff up. The new record-holder was alive on Wikipedia for 19.29 years and only got found in February.
How deep does this go
Wikipedia:List of hoaxes on Wikipedia
A false entry was inserted, claiming that a false claim had been made that Palladium is used in the manufacture of Thiotimoline. Hoax was initially removed on October 8, 2020, but was added back twenty minutes later.
"One of the first Japanese non-digital games"
This was on wikipedia for 16 years and no one went "wait that's fucking stupid"??
