Nice little story and I'm sure the internet has many more such fake factoids, I recall e.g. an invented war on Wikipedia which survived as the authors credited

Nice little story and I'm sure the internet has many more such fake factoids, I recall e.g. an invented war on Wikipedia which survived as the authors credited books and no one checked whether those are real. But I struggle to give an article much credence if it describes the westernmost tip of Portugal as an unbeaten track...