Saint David is the patron saint of Wales and a well-known figure in Welsh history and culture. He was a 6th-century bishop and missionary who played a key role in spreading Christianity in Wales. Saint David is often associated with miracles and is revered for his piety and humility. His feast day, known as St. David's Day, is celebrated on March 1st each year in Wales. He is also known for founding monastic settlements and for his teachings on asceticism and self-discipline. Saint David is an important figure in Welsh identity and is honored for his contributions to the Christian faith in Wales.