Theodor Mommsen's monumental work 'Römische Geschichte' is a comprehensive and detailed account of Roman history, spanning six volumes. Mommsen's scholarly approach to the subject combined with his engaging and accessible writing style make this work a classic in the field of ancient history. Drawing on a wide range of sources, Mommsen provides a thorough examination of Rome's political, social, and cultural development, from its legendary foundation to the fall of the Western Empire. His meticulous research and insightful analysis offer readers a vivid and insightful portrayal of Rome's rise and decline. 'Römische Geschichte' is a groundbreaking work that continues to be essential reading for anyone interested in the history of ancient Rome.