SUMMARY: 1. Premise - 2. The recognition of the Autocephaly of the new Ukrainian Orthodox Church as a factor of crisis of relations between Ukraine and Russia - 3. The stages of the crisis - 4. The Kiev Metropolia of the Moscow Patriarchate and the War - 5. The Ukrainian Greek Catholic Church and the war. ABSTRACT: The paper analyzes the effects of the recognition of autocephaly by the new Ukrainian Orthodox Church. It constitutes one of the crisis factors in relations between Ukraine and Russia in the ongoing clash in the Orthodox Churches between the Ecumenical Patriarchate and the Russian Orthodox Church. The article reconstructs the positions of the various religious denominations present in Ukraine in contending for the representation ...