Celebrate Irelands national holiday – the day when everybody is a little bit Irish! Saint Patrick's Day is a cultural and religious holiday celebrated on 17 March, the anniversary of his death. It commemorates Saint Patrick (c. AD 387–461), the most commonly recognised of the patron saints of Ireland and the arrival of Christianity in Ireland. Saint Patrick's Day was made an official feast day in the early seventeenth century and has gradually become a celebration of Irish culture in general. It is a public holiday in the Republic of Ireland but it is also widely celebrated by the Irish Diaspora across the globe making it the most celebrated saints day in the world. Dublin is the host of the largest parade in Ireland with over 3000 performers and on average 500,000 people attending. In addition to the legenday parade which immerses the city centre in a carnival atmosphere, the festival is bursting at the seams with music , dance, culture, family fun and more!