St. Patrick's Day is the Irish holiday par excellence. The city turns green and brims with themed personalised items. At the beginning, it was a commemoration of the arrival of Christianity in Ireland, while today it's one of the most appreciated and celebrated national holidays all over the world.
Every year, on March 17th, Ireland turns green. From city parades to food and clothes, all is painted with this colour. And this has by now become a symbol of both Ireland and this day – together with the shamrock.
However, the celebrations are not limited only to this island. St. Patrick is the patron of Boston in the US as well. Besides, in Canada, the city of Montreal celebrates this day in homage to the many Irish people who live there – interestingly, the flag of the city itself depicts a shamrock!