He is the most commonly recognized of the patron saints of Ireland. The colour associated with Saint Patrick is green. Green ribbons and shamrocks were worn in celebration of St Patrick's Day as early as the 17th century, as he used the shamrock, a three-leaved plant, to explain the Holy Trinity to the pre-Christian Irish.
Many parades are held to celebrate this day in cities like Dublin, New York, London and many others.
What is a Leprechaun?
Leprechauns in Ireland are part of They are devious and quick witted characters. Children in Ireland are usually taught the local folklore stories of Leprechauns from a very early age.