The Missionary Origins of Modern Ecumenism: Milestones leading up to 1920
Fr. Peter Alban Heers
The impact of the contemporary ecumenical movement on the life of
the Church in the 20th century has been immense. Orthodox involvement
has steadily increased over the years and is now generally accepted as a
given. Still, many questions remain unanswered and unasked. How did the
modern ecumenical movement begin? What were the causes, motivations,
and reasons for its development? Why and how did the Orthodox first
become involved? Did the movement for Christian unity begin with the
1920 encyclical “To the Churches of Christ Everywhere” and arise out of a
search for “unity in truth” and doctrinal agreement, as is often
In this lecture, Fr. Peter Alban Heers, answers these questions, extensively citing authoritative sources of
ecumenical history to bring us face-to-face with the historical record. This booklet is
essential reading for all those interested in Orthodox involvement in
the ecumenical movement.
English. Softcover. 50 pp. 20 photographs and icons. Published by Uncut Mountain Press, Thessalonica, Greece.
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