The first volume of "History of Ugra" is devoted to the longest (more than 15 thousand years) period of the history of the okrug, from the appearance of a person in this territory to the first written references to Ugra in the XI century. More than 7,000 archeological monuments contain material telling about the multi-thousand-year history of Ugra. Settlements and fortifications, burial grounds and shrines, treasures and commercial objects open up to us an exciting panorama of lifestyle and worldview, methods of developing the territory and resources, various models of adaptation of the ancient population to the natural and climatic conditions of the late Pleistocene - Holocene of Western Siberia.