St Patrick’s Day is coming up, and this day is far bigger than most people realise. From rivers turning green, to millions of pints being poured, to Irish heritage reaching every corner of the world, this video breaks down 5 facts about St Patrick’s Day that always surprise people. One of these is genuinely mad and most people have never heard it. Watch to the end and tell me, which one surprised you most? Save it, share it, and send it to someone who thinks St Patrick’s Day is just about wearin