Because St. Patrick is the patron saint of Ireland and St. Patrick's Day is Ireland's national holiday.
I believe that it is the luckiest day to be Irish.
St. Patricks day! About 65% of the people at the St. Patricks day parade are Irish!
What is celebrated on St .Patrick's Day is the Irish culture.
Oh you know, Irish stuff.
The Irish do.
Saint patricks day
st patricks day
Saint Patricks day.
St. Patricks Day.
The first American celebration of St. Patrick's Day was March 1737 in Boston in the Thirteen Colonies.
The Catholic and Protestant Irish often get into fights on St Patricks day.
On Irish day of course.