The monograph gives a brief strategic overview of the Great Patriotic War as an integral part of the Second World War, examines its results, lessons and consequences. On the basis of a comparative analysis, the features of covering the history of 1939-1945. in domestic and foreign historiography, the concepts, principles and methodological tools for studying its most important problems at turning points in the development of this problem in the Soviet Union, and then the Russian Federation and in a number of foreign countries are evaluated. The proposed work is recommended for specialists dealing with the problems of World War II and World War II. He will be interested in the faculty, students of civilian universities, students and cadets of higher educational institutions of the Armed Forces of the Russian Federation, as well as all those who are not indifferent to the desire for objective knowledge of the historical past of their Fatherland.