Styles of
Grégoire-Pierre Agagianian
CardinalCoA PioM
Reference style His Eminence
Spoken style Your Eminence
Informal style Cardinal
See Cilicia

Krikor Bedros Aghajanian (Armenian: Գրիգոր Պետրոս Աղաճանեան, French: Grégoire-Pierre Agagianian, Italian: Gregorio Pietro Agagianian) (September 18, 1895—May 16, 1971) was a Cardinal and leader of the Armenian Catholic Church. He served as Patriarch of Cilicia from 1937 to 1962, and Prefect of the Congregation for the Propagation of the Faith in the Roman Curia from 1958 to 1970. Agagianian was elevated to the cardinalate in 1946 by Pope Pius XII.


Born in Akhaltsikhe (in modern Georgia), Agagianian studied at the seminary in Tbilisi and the Pontifical Urbaniana University in Rome. He was ordained as a priest on December 23, 1917. He entered the teaching Faculty of the Pontifical Armenian College in Rome in 1921; he was later Rector of the same college from 1932 to 1937.

Appointed Titular Bishop of Comana on July 11, 1935, he was elected Patriarch Catholicos of Cilicia of All the Armenians by the Armenian Synod, on November 30, 1937, with the name of Gregory Peter XV. On February 18, 1946 he was elevated to the College of Cardinals by Pope Pius XII.

During the 1958 papal conclave following the death of Pius XII, Agagianian received a large number of votes, eventually approaching the majority needed for election. This was confirmed by the elected pope himself, Pope John XXIII.

John XXIII appointed Cardinal Agagianian to be a member of the leading body of the Second Vatican Council together with Cardinals Suenens, Döpfner and Lercaro. Agagianian was Pro-Prefect of the Sacred Congregation for the Propagation of the Faith from 1958 and full Prefect from July 18, 1960 to October 19, 1970. He died in Rome on May 16, 1971.

Catholic Church titles
Preceded by
Avedis Bedros XIV Arpiarian
Patriarch Catholicos of Cilicia
1937 - 1962
Succeeded by
Ignatius Bedros XVI Batanian
Preceded by
Pietro Fumasoni Biondi
Prefect of the Congregation for the Evangelization of Peoples
1958 - 1970
Succeeded by
Agnelo Rossi
la:Gregorius Petrus Agagianianno:Grégoire-Pierre XV Agagianianru:Агаджанян, Григорий-Пётр

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