Second Vatican Council
The Second Ecumenical Council of the Vatican, commonly known as the or , addressed relations between the Catholic Church and the modern world. The council, through the Holy See, was formally opened under the pontificate of Pope John XXIII on 11 October 1962 and was closed under Pope Paul VI on the Solemnity of the Immaculate Conception on 8 December 1965.
Luis Antonio Tagle
Pope John Paul II appointed Tagle to the International Theological Commission, where he served from 1997 to 2002 under its President, Cardinal Joseph Ratzinger. From 1995 to 2001 he was a member of the editorial board of the "History of Vatican II" project.