this was not "serious trouble", but I still remember the hard time I had, on the Canadian side of Niagara Falls, to get a glass of water !!! Yes, I confess, my accent was (and still is...) really bad, but the fact the waitress thought we were French Canadian did not make the matter any easier... I finally got the glass of water when she understood we "only" were "real" French and her animosity disappeared. <img src="/images/graemlins/smile.gif" alt="" />
I don't know if that animosity between english- and french-speaking Canadians is still as virulent as it was at that time ... but god, it was quite frightening... <img src="/images/graemlins/frown.gif" alt="" />