The book "History of the Great War. Volume 1. Introduction; Special articles; Causes of the war; Diplomatic and state papers" is the first part of a huge epic that reveals the events of the First World War from different parts of the world. The authors explore the roots of the conflict, the political and diplomatic aspects of the outbreak of the war, and also offer unique materials - documents that reflect the relations between countries and confirm the causes and consequences of this global conflict. This book serves not only as a source of information for historians, but also as an inspiration for further research and reflection on the importance of international cooperation and peace.