I. Religious Studies
In the 1960s, religious studies began to discuss the continuing decline of religious commitment in Europe intensively. In particular the writings of Bryan Wilson (Religion in a Secular Society, 1966) and Peter L. Berger (The Sacred Canopy, 1967), drawing on the ideas of M. Weber, É. Durkheim, and others led to formulation of a so-called theory of secularization, where secularization denotes a natural aspect o…