 The most famous by far is the St Patrick's Festival which takes place in every county all over Ireland and celebrates Irish culture the world over.Although St. Patrick's Day festivals are held all over the world on 17 March, the festival in Ireland lasts over a week, and includes the parades on the 17 as well as the Skyfest celebrations, a fireworks display held somewhere different in Ireland every year.Part of the celebrations include Seachtain na Gaeilge (Irish Week), which aims to promote the Irish language during the two weeks proceeding the festival.