The earliest British tribes already knew Celtic Christianity, but after the pagan Angles and Saxons invaded, Pope Gregory the Great sent a small group of monks with their prior Augustine to the islands and counseled him to respect the diversity of Christian practices he found, selecting whatever customs “may be more acceptable to God.” Geographic factors all but ensured that English Christianity would develop differently from the forms in Ireland, Scotland, Wales and the Continent. Above: St. Augustine meets King Ethelbert of Kent under an oak tree. (Traditional Catholic Priest)