Title: Life story of Orest Zybachynsky (1912 – 1993)
Abstract: The aim of the research is to study the life story of Orest Zybachynsky and to reveal his role in the Ukrainian liberation movement. Methodological basis of the study relies on the historicism principle, which requires consideration of all events in accordance with specific historical circumstances. Additionally, the objectivity principle is used, which involves support of facts in their true meaning. Particular scientific methods are applied such as historical research approaches: chronological, logical, retrospective, comparative and simulation of events. The scientific novelty of the article results is uncovering of the previously unknown pages of Orest Zybachynsky life and clarifications on many facts of his biography well-known by researchers. The aim is achieved due to the revealing and introduction of the archival documents to the scientific documents’ circulation. These documents are mainly situated in the funds of the Branch State Archive of the Security Service of Ukraine. Conclusions. Generally, the analysis of Orest Zybachynsky life has confirmed that he had been one of the major figures of the Ukrainian Nationalists Leadership. He founded and developed the first OUN cells in Bukovina and Donbas regions. He created the «Overseas Center» of the PUN in Bucharest and the International of Freedom (IS) in Munich. He headed the Volyn Inspectorate of the OUN (m) for a year. He became one of the initiators of the «Puma» group of propaganda creation. During numerous periods, he had been participating in the «Melnykivtsi» underground movement in Kyiv, Mykolaiv, Zaporizhia, Lviv and other cities. It is clarified that Orest Zybachynsky was not engaged into creation and activities of the Bukovyna Kurin’. In addition, he relied on the Ukrainian intelligentsia, and not on the police, while building a clandestine network in Donbas region. Along with his active participation in the Ukrainian liberation movement, Orest Zybachynsky left us significantly creative heritage that has not lost its relevance even nowadays. His remarkable and prominent figure deserves a more detailed scientific study which is not determined by this article type. In the future, his life and work can be the subject of a separate documentary film or a book.