The book "The History of the Great War. Volume 3. The History of the European War from Official Sources" is the third volume of a fascinating historical epic devoted to the events of the First World War. The author highlights the events, strategies, battles and heroes that influenced the course of European history in the most critical period of world history. The book is built on the basis of official sources, which gives it reliability and authenticity of the information presented. Thanks to detailed descriptions and analyses, the reader can feel the atmosphere of the great conflict and learn about the important events of that time from the first sources. This book will be an important source of knowledge for anyone interested in history, war and European development in the early 20th century.