On Sunday, December 10, 2023, His Grace Bishop Irinej of Eastern America of the Serbian Orthodox Church, at the invitation of His Eminence Metropolitan Nicholas, First Hierarch of the Russian Orthodox Church Outside of Russia, will join in concelebration with His Eminence and the members of the Holy Synod for the Patronal Feast of the Cathedral of Our Lady of the Sign, 75 E 93rd St, New York, NY  10128. The greeting of the Metropolitan will be at 9:30AM, followed by the Hierarchical Divine Liturgy at 10:00AM.  

His Grace looks forward to the concelebration and maintaining the traditional ties that have bound the Russian Orthodox Church Outside of Russia with the Serbian Orthodox Church and the then Kingdom, beginning in 1920, following the Russian Revolution, in Sremski Karlovci.