St. David is the patron saint of Wales, celebrated for his piety and dedication to Christianity. He is believed to have lived in the 6th century and founded a monastic community at Glyn Rhosyn, now known as Glastonbury. His teachings emphasized simplicity and humility, and he is often depicted with a dove, symbolizing peace. Every year on March 1st, people in Wales and around the world celebrate St. David's Day with parades, traditional music, and wearing daffodils or leeks, which are national symbols. His legacy continues to inspire many, reminding them of the importance of faith and community.