Hungarian Internationalists in the October Revolution and the Civil War in the USSR . Collection of documents. Volume 2. The participation of Hungarian internationalists” is a unique and deep source that immerses the reader in one of the brightest and most complex pages of world history of the 20th century. The authorship of this collection remains unknown, but its contribution to the study of international support for revolutionary events in Russia cannot be overestimated. This book is intended for those interested in the history of revolutions, internationalism, international relations and the role of Hungary in the fateful events of the 1917-1920s. This volume is a continuation of a series in which rare and previously inaccessible documents are collected, revealing the role of Hungarian internationalists in the October Revolution and the Civil War in the Soviet Union. It presents unique archival materials, letters, reports and testimonies of participants in the events, which allow you to look at the revolution from a different angle - from the point of view of those who came from Hungary to support revolutionary ideas and help build a new world. These documents not only reveal the internal mechanisms of international support, but also show the personal destinies, motives and experiences of those who have become part of this historical process. The book “Hungarian Internationalists in the October Revolution and the Civil War in the USSR” is especially valuable for historians, researchers of international relations, students and anyone who seeks to understand the complex dynamics of revolutionary events through the prism of international solidarity. It is also suitable for those who are interested in the history of Hungary, revolutionary activity, internationalism, as well as those who are looking for answers to questions about how international forces and ideas influenced the fate of millions of people in an era of change. This book will not leave indifferent readers who are passionate about history, politics and social transformations. The peculiarity of this work is the wealth of documentary evidence and their analytical value. It raises the topics of international support for the revolution, the role of foreign internationalists, their motivation and interaction with Soviet structures. The author, despite his anonymity, created a work that not only complements existing knowledge about revolutionary events, but also raises new questions, stimulates reflections on international solidarity and its consequences. The style of presentation is strict, documentary, it allows the reader not only to get acquainted with the facts, but also to feel the atmosphere of the era, to understand the internal experiences of the participants. This book is especially relevant for those who appreciate historical accuracy and seek a deep understanding of the processes that took place in the early years of Soviet power. It will be a valuable addition to the bibliography on the history of the revolution, internationalism and international relations, as well as help expand the horizons of perception and analysis of events that changed the course of world history. In general, “Hungarian Internationalists in the October Revolution and the Civil War in the USSR” is not just a collection of documents, but a window into the past, through which you can understand how ideas, people and fates intertwined in one of the most dramatic periods of the 20th century. If you are looking for a book that combines historical accuracy, wealth of factual material and in-depth analysis, then this work will be a real discovery for you. It will not only expand your knowledge of revolution and internationalism, but also give you new perspectives on the role of Hungary and its citizens in the fateful events that changed the world. Immerse yourself in the pages of this collection and discover the little-known but extremely important aspects of history that continue to affect modernity.