Wow I thought the author just forgot to go back and replace these placeholders once they confirmed the right number but you're right, Google shows all kinds of

Wow I thought the author just forgot to go back and replace these placeholders once they confirmed the right number but you're right, Google shows all kinds of articles across the internet referring to the XNUMXth century, what the heck? https://www.google.com/search?q=xnumxth https://www.google.com/search?q=xnumxth