Faith and Order Commission
In 1958, the French Catholic group Unité Chrétienne and the Faith and Order Commission of the World Council of Churches (a body which includes, among others, most of the world's Orthodox churches as well as many Anglican, Baptist, Lutheran, Methodist, Reformed, United and Independent churches) begin co-operative preparation of materials for the Week of Prayer. The year 1968 saw the first official use of materials prepared jointly by the Faith and Order Commission and the Pontifical Council for Promoting Christian Unity, representing the entire Catholic Church. Collaboration and cooperation between these two organizations has increased steadily since, resulting recently in joint publications in the same format.