St. Augustine of Canterbury was a Benedictine monk who became the first Archbishop of Canterbury in England. He was sent by Pope Gregory I in 597 AD to convert the Anglo-Saxons to Christianity. His mission was successful, leading to the establishment of the Christian faith in England. Augustine is known for founding the Church of St. Augustine in Canterbury and for his efforts in organizing the church in England. He played a crucial role in the spread of Christianity and is often referred to as the "Apostle to the English." His legacy continues to influence the Christian faith in England today.