"The Peloponnesian War" is an outstanding work of the ancient Greek historian Thucydides, which tells about one of the most important events of the Greek-Persian wars of the 5th century BC. The book details the conflict between the two great powers of Athens and Sparta, as well as their allies. Thucydides successfully combined factual material with analysis of events, revealing the political and strategic aspects of the war. With its lively style and insightful analysis of events, The Peloponnesian War remains an important source for the study of ancient history and politics.