@saab,
That reminds me: some years ago, a sacristan in a beautiful church in Rome (probably Sant' Andrea), answering one of my questions, identified me as Portuguese, whereas I am really an US american with irish heritage. I just didn't dress like some american tourists, and my italian was a little "off" so I couldn't be italian, so he was guessing some other european...
I smiled and told him the truth and we both enjoyed our talking.
edit to say that I remember that on one of my trips there - I forget which one, probably the one in 1999 - I was worried americans could be targeted, which would be ironic re my own politics. Nothing of the sort happened.