1st March is St. David's Day
Posted: 01 Mar 2014, 16:58People in Wales and those of Welsh origin celebrate the life of their patron saint, St David, and the Welsh culture on March 1 each year. Many people pin a daffodil or leek to their clothes and some, especially children, wear traditional costumes.
http://www.timeanddate.com/holidays/uk/st-david-day
http://www.timeanddate.com/holidays/uk/st-david-day