After he led resistance to the canonical campaign of the Italian Catholic Bishop of Nin, Ivan Andrija Balbi, Končarević was briefly imprisoned in 1728.
Such political unrest and the danger from the Uniates movement caused the departure of hundreds of people from North Dalmatia, under the leadership of Bishop Končarević, to Russia as well.
[1] Returning in 1760, he learned that he had been declared a traitor for urging emigration, so he stayed in Buda and Vienna, where, through the mediation of the Russian embassy, he handed over to the Venetian side a memorandum demanding freedom of religion for the Orthodoxs in Dalmatia.
[1] In 1762, he returned to Lika, but was imprisoned by the Habsburgs and then expelled to Russia, after learning that he organized priests and prepared people for a new migration.
[3] Mile Bogović noted that nobody saw it except Milaš and that it "seems like it never existed",[4] while Stjepan Antoljak presumed it is not lost and needs to be found in the Russian State Library.