Vatican City
The name was first used in the Lateran Treaty, signed on 11 February 1929, which established the modern city-state. The name is taken from Vatican Hill, the geographic location of the state. "Vatican" is derived from the name of an Etruscan settlement, "Vatica" or "Vaticum" meaning garden, located in the general area the Romans called "vaticanus ager", "Vatican territory".
World Council of Churches
Pope St. John XXIII took a different stance however, and in 1958 he was elected as the head of the Catholic Church. Ecumenism was a new element of catholic ideology which had been permitted, which was signified to a great extent, when John XXIII met with the then Archbishop of Canterbury, Geoffrey Fisher. This was the first meeting between an Archbishop of Canterbury, and the Pope in the Vatican for 600 years. John XXIII later developed the office of the Secretariat for Promoting Christian Unity; which symbolised a dramatic shift in support for the ecumenical movement, from the Catholic Church, led from the Vatican. 1961 saw Catholic members attend the Delhi conference of the WCC, which masked a significant shift in attitude toward the WCC from the Papacy. There was the idea in addition to this, that the Pope invited non-Catholics to attend the Vatican II council. This new approach to inter-denominational relations was marked within the Unitatis Redintegratino.