Anatoly Alekseevich Spassky (1866–1916) is a remarkable Russian historian of the ancient Church and theologian, professor at the Imperial Moscow Theological Academy, student and successor in the department of the famous A.P. Lebedev. The present volume of his works, named after the title article “The Conversion of Emperor Constantine the Great to Christianity,” includes a wide variety of church historical studies created in the period 1896–1905. All the works of A. A. Spassky are united by a single cross-cutting theme of the relevance of ancient church history for the present time, its enduring interest and vital importance for Christians of our day. Written at the highest scientific level, A. A. Spassky’s works are at the same time distinguished by their excellent literary style and are easy and enjoyable to read.

Significant editorial and bibliographic corrections have been made compared to the first edition.

For everyone interested in the history of the ancient Church and Orthodox theology.