German fans have been known to walk out mid match if their team loses. Some English fans have been known to boo their team when they don't perform well. Some Argentinian fans murder members of their national team when they score own goals.
What do we do? We sing our fecking hearts out. You see, you may beat the Irish team, but you'll never beat the Irish fans. You can't take that away from us
Read more and see the 10-minute rendition of Fields of Athenry the fans sang as the game came to a close in our Euro 2012 section