The "fact" about equestrian statues has been discredited (see straightdope.com).
Q21. What about "one hundred and one"?
Q23. Do salt and vinegar count as foods? I know you wouldn't eat them on their own, but they are foods as far as the law is concerned. Sugar doesn't spoil either. I think that chocolate would last indefinitely, if I could resist eating it.
Most dictionaries will tell you that the origin of the word "golf" is uncertain. As with "posh", popularly supposed to stand for "port out, starboard home", the derivation is fanciful. The "rule of thumb" explanation is dismissed at worlwidewords.org.
At least the list did not include the "fact" that a duck's quack does not echo, which has been circulating the internet for some years.