St. Patrick's Day is a popular holiday celebrated annually on March 17th, in honor of St. Patrick, a patron saint of Ireland. The name "St. Patrick" is synonymous with a number of other terms such as, Patrick of Ireland, Padraig, Paddy, and St. Patrick's Day. The holiday is celebrated worldwide with parades, parties, and events to commemorate the life and work of St. Patrick who is known for introducing Christianity to Ireland. The symbols associated with the holiday include the color green, shamrocks, and leprechauns. Many people enjoy celebrating St. Patrick's Day with friends and family, having festive meals and drinks, and wearing green clothing or accessories.