The Lutherans were the first Protestant Church offering a dialogue to the Catholic Church in September 1964 in Reykjavík, Iceland. It resulted in joint study groups of several issues. The dialogue with the Methodist Church began October 1965, after its representatives officially applauded remarkable changes, friendship and cooperation of the past five years. The Reformed Churches entered four years later into a dialogue with the Catholic Church. The President of the Lutheran World Federation and member of the central committee of the World Council of Churches Fredrik A. Schiotz stated during the 450th anniversary of the Reformation, that earlier commemorations were viewed almost as a triumph. Reformation should be celebrated as a thanksgiving to God, his truth and his renewed life. He welcomed the announcement of Pope Paul VI to celebrate the 1900th anniversary of the death of the Apostle Peter and Apostle Paul, and promised the participation and cooperation in the festivities.

Which protestants were the first to reach out to the Catholic church in 1964 in Iceland?