The book is dedicated to the events of the First World War in Central Europe, the Balkans and Russia. The authors paid special attention to the formation of military units, their participation in hostilities, the situation in the rear, the fate of individual historical figures, the reflection of the war in works of art, international relations and diplomacy at the last stage of the war and immediately after its end. Particular emphasis is placed on the problems of studying war, controversial and little-known issues of historiography. Essays are based on the development of domestic and national historiographies, archival and published documents.