Irena Y. Armenian Church as a characteristic phenomenon of Christendom.

A new conceptional view on the phenomenon or Monophisitism that theology determinates as a doctrinal position of Armenian Church and other anty-Chalcedonial Church, analythis of the development of early Christianity prove the expediency of appreciation of Monophisitism and other dogmatic movements as a manifestation of the process of ethnogenesis, which enveloped the East regions of Rome empire in the ІІІ-IV centuries. This thesis is a philosophical research of main ethno-ecclesiastical peculiarities of Armenian Christianity in the process of their formation that united with historical summarizing of development and natural alteration Armenian Church in the circumstances of Ukraine.