1. Describes the Christianity which became established in Britain during the time of the Roman EmpireRoman Empire The Roman Empire succeeded the 500-year old Roman Republic in 27 BC, and had reached it territorial peak by the early 2nd century AD. Britain came under Roman rule in 43 AD under the Emperor Claudius. The last Roman military and administrative presence in Britain was withdrawn in the early 5th century, but left a legacy of Roman infrastructure and culture that was to form the basis for the Anglo-Saxon kingdoms of England but was seriously affected by the encroachments of paganPagan Derived from Latin paganus, the Roman term for a rural dweller, this word came to be applied to those who were not Christian, particularly the followers of the classical religion of Greece and Rome and those who followed the pre-Christian religions of Europe Anglo-Saxon settlers in the 4th and 5th centuries. Celtic churches remained strong in Ireland, Wales, and some parts of Scotland, and Irish missionaries from Iona played a significant role in the conversion of the Anglo-Saxon kingdoms in the 7th century. However some Celtic structures and practices were superseded by those of the Roman church at the Synod of WhitbySynod of Whitby (664) Pivotal meeting at which it was agreed that the Roman church structures and hierarchy would supersede the Celtic tradition in England. St Wilfrid spoke for Rome and debated with Bishop Colman who spoke for the Celtic tradition. 2. Used of contemporary approaches to spiritualitySpirituality Term used to describe the experiential dimensions of religion, encompassing aspects such as prayer, meditation, contemplation, and mysticism. which are considered to draw on Celtic traditions