The World February 19, 1878 . The full text of the preliminary peace treaty between Russia and Turkey, signed in San Stefano 19" is not just a historical document, but an important monument of the era, which allows a deeper understanding of the complex political and social processes that took place at the end of the XIX century. This treaty was a key moment in Russian-Turkish relations and had a significant impact on the future of the Balkan region, which makes its study relevant today. This work is the full text of the peace treaty signed in San Stefano, and includes not only legal formulations, but also comments that help the reader to better understand the context and meaning of this event. The book contains many historical details that can be of interest to both specialists in the field of history and amateurs seeking to expand their knowledge of the most important events that determined the course of world history. Who can like this book? First of all, it will be of interest to students and teachers of historical faculties, as well as to everyone who is fond of the history of Russia and the Ottoman Empire . Fans of historical novels and documentaries will also find in it a lot of useful and fascinating. The book can be an excellent addition to the library of those interested in diplomacy, international relations and the history of war and peace. The themes raised in this book are diverse and multi-faceted. First, these are issues of national identity and self-determination of peoples who at that time sought independence. Second, the book touches on aspects of diplomacy and international law, showing how peace treaties can change the destinies of entire nations. It is also worth noting that the text of the treaty reflects the interests of the great powers of the time, which makes it possible to understand how geopolitical games influenced the fate of countries and peoples. The style of the authors who collected and presented this document is distinguished by scientific rigor and attention to detail. They not only present the text of the contract, but also analyze its consequences, which makes the book not only a source of information, but also a subject for reflection. The team of authors includes historians and experts who have significant experience in the study of this period, which adds additional value to the publication. If you are looking for history books that will help you better understand the mechanisms of the formation of the modern world, then “The World of February 19, 1878” will be a real find for you. It can be the basis for your own research or just a fascinating reading for those who want to learn more about the events that determined the fate of entire nations. In conclusion, this publication is not only a historical document, but also an important contribution to the study of the history of Russia and Turkey. It opens up new horizons for the reader and helps to understand how events of the past affect our present. Don’t miss the opportunity to touch history and learn more about how peace treaties shape the future.