Ecumenical dialogues began as early as the fourth century when the First Ecumenical Synod
was convened in 325.
25) Hermann-Josef Sieben, for example, writes: "The first volume contains eight councils, that is, besides the seven ancient ecumenical synods
from Nicaea I to Nicaea II of the undivided Christendom, the Council in Trullo, which did not figure in the earlier editions.
which were reaffirmed by the Quinisext Ecumenical Synod (691) as an authentic expression of the mind of the church regarding every effort for reunion.
This is quite clear from the unanimous canonical tradition of the ecumenical synods, and from consistent ecclesiastical practice in dealing with related problems.
As an integral part of each negotiating church the ecumenical synod will have access to and representation on the national bodies of each church.
Officers, committees and work groups: The ecumenical synod itself will decide what structures it needs to fulfil its functions.
The presiding officer, elected from among the representatives to the ecumenical synod, will hold office for a period of three years, be a member of the standing committee, and undertake tasks decided by the standing committee.
At its meeting in Harare (1988) the Reformed Ecumenical Synod
altered its name to Reformed Ecumenical Council.
Over the first centuries there developed both city-wide and provincial get-togethers often convened at Eastertide, gatherings of bishops and others in regional, national, general, and eventually ecumenical synods
or councils to address doctrinal and pastoral concerns.
On the basis of these teachings, the first two Ecumenical Synods
(325, 381) decreed that we believe "in the Holy Spirit, the Lord, the Giver of Life, who proceeds from the Father, who together with the Father and the Son is worshiped and glorified.