The Roman History of Dionysius of Cassius is one of the most fundamental and influential works of Roman historiography, providing an extensive, systematic, and insightful account of the course of the Roman Empire from its beginnings until the 3rd century AD.

Books 44–47 of Dionysius of Cassius's Roman History constitute one of the most exciting and defining sections of ancient historiography, as they depict the dramatic sequence of events following the assassination of Julius Caesar and leading to a new period of intense political instability and civil wars. Dionysius Cassius, one of the most important historians of the Roman Empire, documents with remarkable accuracy the progression from factional conflicts to the final victory of Octavian, essentially heralding the dawn of the empire under Augustus.

In books 44–47 of Roman History, vivid portrayals are given of the conspiracy of Brutus and Cassius, Rome's reaction to Caesar's murder, the political strategies of Mark Antony, as well as the crucial battles and alliances that determined the outcome of the new Roman civil war. Dionysius of Cassius's narrative deeply analyzes political maneuvers, the motives of key figures, social tensions, and the broader consequences of the events for the Roman state.

This edition of Books 44–47 stands out because it offers the authentic ancient text, a complete and carefully translated version in modern Greek, as well as extensive interpretive notes that compare sources and place the events within the broader context of Roman political history. The notes facilitate understanding of the complex alliances, diplomatic maneuvers, and military operations that shaped the transition from the Republic to the imperial period.

This publication is a valuable tool for students of classical philology, historians, researchers of Roman historiography, and any reader interested in delving into the political and social history of Rome.