1963 — Ecumenical Patriarch Athenagoras declares the Orthodox intention of a serious dialogue at the second Pan-Orthodox Conference of Rhodes.

1964 – Pope Paul VI and Athenagoras meet in Jerusalem.

1964 – In Rome, the document “Unitatis Redintegratio” was created, in which the Roman Catholic Church reaffirmed its commitment to the ecumenical dialogue.

1965 — The mutual “anathemas: were lifted.

1967 — Athenagoras I and Paul VI publicly declared the intention of a “dialogue of charity” between the two churches, and a parallel “dialogue of truth” as well.

1979 – Pope John Paul II and Ecumenical Patriarch Dimitrius I announce the opening of the theological dialogue between the two churches.

1980 — The first plenary session of the International Joint Commission for the Theological Dialogue between the Orthodox Church and the Roman Catholic Church met the following spring at the island of Patmos,Greece.

The first theme chosen for study was ecclesiology and its link to the mysteries of the Eucharist and the Trinity.

1982 — The Joint Commission published its first official common document: “The Mystery of the Church and of the Eucharist in Light of the Mystery of the Holy Trinity” (Munich, Germany)

1987 – The next Joint  Commission issued the common document : “Faith, Sacraments and the Unity of the Church” (Bari, Italy)

1988 – The third common document is produced: “The Sacrament of Order in the Sacramental Structure of the Church” (Valamo, Finland)

1990 — Work began by the Joint Coordinating Committee on the next common document in Moscow, Russia, “Ecclesiological and Canonical Consequences of the Sacramental Nature of the Church”, but at the request of the Orthodox Church the discussions were stopped in order to address the question of “Uniatism”.

1993 – The Joint Commission issued the common document on “Uniatism: Method of Union of the Past, and Present. Search for Full Communion” (Balamand, Lebanon)

2000 – The Joint Commission met in Baltimore, U.S.A., and discussed a text on ” The Ecclesiological and Canonical Implications of Uniatism”.

2005 – The Orthodox Church and the Roman Catholic Church agree to resume the theological dialogue.

2006 – The Joint Commission met in Belgrade, Serbia and discussed a text entitled: “The Ecclesiological and Canonical Consequences of the Sacramental Nature of the Church: Conciliarity and Authority in the Church”, at three levels of the Church’s life: local, regional and universal.