His Holiness Irinej, Serbian Patriarch, met on 5 February 2013 with the delegation of the Committee for celebration of 200th anniversary of the birth of Bishop Petar I Petrović Njegoš. The delegations consisted of: academician Matija Bećković, president of the Committee; corresponding member of the Serbian Academy of Sciencies and Arts (SASA) Miro Vuksanović and Professor Dr. Dragan Stanić, vicepresidents; and also academician Dimitrije Stefanović,secretary general of SASA.
With the blessing of His Holiness Irinej, Serbian Patriarch, the Institute for Schoolbooks and Teaching Aid published a capital work – “Saint Sava in Russian Imperial Chronicle”. Mr. Milovan Vitezovic is an editor and Mrs. Miljenka Vitezovic translated the book from Old Russian. The book was presented on 21 January 2013 at the Serbian Patriarchate in Belgrade.
With the blessing of His Holiness Irinej, Serbian Patriarch, the Publishing Foundation of the Serbian Orthodox Church printed the 2013 great wall calendar entitled Emperor Constantine the Great in visual memory of the Serbs
Edict of Milan - act on religious tolerance - establishing that "Christians, as well as all others, without exception, are granted full authority and freedom to observe that religion which each preferred." With its proclamation in 313, motivated by the vision and the victory he scored over Maxentius by the Milvian Bridge in Rome under the Standard of the Cross, Emperor Constantine led Christ's disciples out of the catacombs, ending the persecutions, draconic punishments and sufferings to which they had been subjected.
At the celebration held on 7 December in the Great hall of the church of Christ the Saviour in Moscow, organized on the occasion of the completion of the work of this year's Pan-Slavic Art Forum "Golden Knight", His Eminence Metropolitan Hilarion of Volokolamsk, the president of the Department for External Church Relations of the Moscow Patriarchate, on behalf of His Holiness Patriarch Kirill of Moscow and All Russia, awarded the Serbian film director, screenwriter and film producer Jovan Markovic with the Order of St. Sergius of Radonezh.