Patrick, St. is a well-known saint in the Christian faith, particularly among the Irish people. He is celebrated every year on the 17th of March, also known as St. Patrick's Day. St. Patrick is known for his evangelism and contribution to promoting Christianity in Ireland during the 5th century. Some common synonyms used to refer to St. Patrick include the Apostle of Ireland and Patron Saint of Ireland. He is also referred to as the Green Saint due to his association with the color green, which is considered to be the national color of Ireland. St. Patrick's impact on Ireland's history and culture has made him a significant figure in the Christian faith and beyond.