[the 14th century is mentioned several times in Good Omens; 'twas with a catch ;P]
Aziraphale doesn't like that. He considers transforming the sword into something less...deadly, though by the looks of the man he'll just have to continue doing that to his arms and whatever else an enraged man might find.
"I am but an inkeeper in search for..uhm..grapes; yes, grapes. You can come to Ineffable Bites and have a cup of wine. The horse needs water too and no one else has passed by this area lately"
He blinks at the horse, trying to convince it to neigh.