The Ecclesiastical History

The Ecclesiastical History by Eusebius, the bishop of Caesarea, was a 4th-century pioneer work giving a chronological account of the development of Early Christianity from the 1st century to the 4th century. It was written in Koine Greek, and survives also in Latin, Syriac and Armenian manuscripts. Eusebius had access to the Theological Library of Caesarea and made use of many ecclesiastical monu...