400. That’s an error.

Google cannot redirect you to http://www.chapitre.com/frame_rec.asp?donnee_appel=PRINTGOOGLE&titre=Motion+M.+l%27%C3%89v%C3%AAque+d%27Autun+sur+les+biens+eccl%C3%A9siastiques+du+10+octobre+1789 because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.