This is Volume 2, Part 2 of the works of Eusebius of Caesarea, an essential resource for understanding the history of the early Christian Church. Written in Ancient Greek, this volume offers invaluable insights into the events, people, and theological developments that shaped the formative years of Christianity. Eusebius, a bishop and historian of the 4th century, provides a unique perspective on the transition from the Roman Empire's paganism to its embrace of Christianity. This edition, meticulously edited by Erich Klostermann, remains a critical text for scholars and students interested in ancient history, religious studies, and the history of Christian thought.