The textbook is devoted to the Great Patriotic War, the history of which is considered through the prism of facts and statistics. The course of the war, the results and lessons, the price of victory and the contribution of the USSR to the history of the Second World War on a strict factual basis The manual is provided with documentary and statistical materials. The publication is intended for independent work of students and high school students, contains methodological recommendations for the organization and conduct of research during the Great Patriotic War .. Can be used as a reference manual, especially for those interested in military history.