From origin it is an Irish holiday, but St Patrick’s Day (March 17) is becoming more and more popular around the whole world. What is the story behind this holiday and why is everyone wearing green on St Patrick’s Day? Saint Patrick is very important for the Catholic Church in Ireland; some even claim that he established Catholicism as the official religion in Ireland. On St Patrick’s Day, the Irish celebrate the work he has done, moreover he baptized hundreds of people and he was very important in establishing Catholicism in Ireland. The symbol of St Patrick’s Day is a shamrock because Saint Patrick used this to explain the trinity of God. (more…)