Oh yes, I confirm Google's regular mis-yearing. When looking for the “checklist”, I started from service's lowest limit, year 1500, and moved to the more modern days. Usually, typography says for itself before you even discover the year on one of the first pages. When you see multiple columns grid layout in XVII century books, you already know that it is not from these times.:D
BTW, did you try looking in the Internet Archive (https://archive.org/details/texts)? It was a place where I found the earliest 1841 evidence.