Most likely you’d spread some diseases that we’re all immune. You wouldn’t even explain how did you get there and that you’re not a heretic due to the language barrier, so probably end up burned alive or something.

“Oh, none of you speak English. Fuck.”

Bold of you to assume you’d go anywhere speaking only modern day English

Nate Bargatze had a pretty good joke about the same premise:

https://youtu.be/QXy3uII-xn0