St. Patrick's Day 

1.Who was St. Patrick?
St. Patrick, or the "Apostle of Ireland," actually started out in the pagan religion. His family were romans living in  Britain, going back to Ireland for mission work after finding a place as a cleric and then Bishop within the Christian faith.  He was born around 460, and by the 600s, he was already known as the Patron Saint of Ireland.

2.What is the purpose of St. Patrick's Day?

This first celebration of the holiday in the colonies was largely to honor and celebrate the Irish culture that so many colonists had been separated from.

3.Why is St. Patricks Day designated when it is? 

It is designated on March 17th because it is said that St. Patrick died that day around or in year 493

4.Why a certain color on St. Patricks Day?

I think it just represents the color of the shamrock.