Under the auspices of His Holiness Catholicos Aram I, His Holiness Pope Tawadros II, and His Holiness Patriarch Mor Ignatius Aphrem II, the 1700th anniversary of the First Ecumenical Council of Nicaea was celebrated on May 17 and 18, 2025, at the Coptic Orthodox Patriarchate in Cairo and at the Great Cathedral of St. Mark’s.

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CATHOLICOS ARAM I JOINS LEADERS OF EASTERN CHURCHES IN CAIRO TO MARK 1700TH ANNIVERSARY OF COUNCIL OF NICEA - Armenian Prelacy

Under the auspices of His Holiness Catholicos Aram I, His Holiness Pope Tawadros II, and His Holiness Patriarch Mor Ignatius