Seeing that everything was in this new and interesting language, I couldn’t exactly get into my facebook settings and find out where to change the language back. Fortunately I found a direct link to the Facebook language settings page so that I could change it back to my native English. You can click the link below to check it out and fix this issue.
Facebook Language Settings Direct Link
Hopefully Facebook find out how my setting suddenly and randomly changed and I hope this helps someone else out if it happens to them.
~ Paul