Evangelicalism is a Protestant Christian movement which began in Great Britain in the 1730s. Most adherents consider its key characteristics to be: a belief in the need for personal conversion (or being "born again"); some expression of the gospel in effort; a high regard for biblical authority; and an emphasis on the death and resurrection of Jesus. David Bebbington has termed these four distinctive aspects conversionism, activism, biblicism, and crucicentrism, noting, "Together they form a quadrilateral of priorities that is the basis of Evangelicalism.