<P> Historians agree that in the late 1940s Britain was a Christian nation, with its religiosity reinforced by the wartime experience . Peter Forster found that in answering pollsters the English reported an overwhelming belief in the truth of Christianity, a high respect for it, and a strong association between it and moral behaviour . Peter Hennessy argued that long - held attitudes did not stop change; by midcentury: "Britain was still a Christian country only in a vague attitudinal sense, belief generally being more a residual husk than the kernel of conviction ." Kenneth O. Morgan agreed, noting that: "the Protestant churches . Anglican, and more especially non-conformist, all felt the pressure of falling numbers and of secular challenges...Even the drab Sabbath of Wales and Scotland was under some threat, with pressure for opening cinemas in Wales and golf - courses in Scotland ." </P> <P> Harrison reports that the forces of secularization grew rapidly, and by the 1990s Protestantism cast a thin shadow of its 1945 strength . Compared to Western Europe, Britain stood at the lower end of attendance at religious services, and near the top in people claiming' no religion' . While 80 per cent of Britons in 1950 said they were Christians, only 64 per cent did so in 2000 . Brian Harrison states: </P> <Dl> <Dd> By every measure (number of churches, number of parish clergy, church attendance, Easter Day communicants, number of church marriages, membership as a proportion of the adult population) the Church of England was in decline after 1970 . In 1985 there were only half as many parish clergy as in 1900 . </Dd> </Dl> <Dd> By every measure (number of churches, number of parish clergy, church attendance, Easter Day communicants, number of church marriages, membership as a proportion of the adult population) the Church of England was in decline after 1970 . In 1985 there were only half as many parish clergy as in 1900 . </Dd>

When did the romans introduced christianity to britain