Saint Patrick’s Day ( Lá Fhéile Pádraig) is Ireland’s National Holiday, it fall’s on the 17th of March each year. It is named after Saint Patrick (AD 387–461), the patron saints of Ireland. It began as a purely Catholic holiday and became an official feast day in the early 17th century.
It is a public holiday in Ireland, Newfoundland and Labrador and in Montserrat (Caribbean Island). It is also widely celebrated by the Irish all over the world, especially in places such as Great Britain, Canada, the United States, Japan, South Korea, Argentina, Australia, and New Zealand, among others.