|St.Patrick's Day is celebrated on March 17.This day is marked both as the birth and death day of St. Patrick. It is a religious feast day which is observed by the Irish all over the world. The day also coincides with 'lent'.It's believed that St.Patrick had driven out the snakes from Ireland. In 1737, there was a fervor of patriotism amongst Irish immigrants to the United States who held the first St. Patrick's Day Parade in New York City in 1766. Today, there is a fusion of modern with the traditional. People in Ireland celebrate the day by wearing green, eating Irish food and attending parades. And it's not just Ireland but also countries like the United States, Canada, Japan, Singapore and so on.