“Fontes Nicaenae Synodi” is a sourcebook that provides the original text with an English translation and footnotes of the contemporary sources for the study of the Council of Nicaea (325). These sources are letters, canons, creeds, imperial documents, and synodal statements that deal with the theological, institutional, and disciplinary issues discussed at Nicaea – not only the “Arian” controversy. The book includes texts that are contemporary with the events, i.e., written between the beginning of the Melitian crisis (ca. 304) and the death of Constantine (337). They were passed on...

The Council of Nicaea is a fundamental milestone in the development of Christian theology and, consequently, a significant factor in shaping Western culture. In the context of a new relationship with the Roman Empire, an intense theological controversy led to the convening of the Council of Nicaea (325), the first ecumenical council. The sources describing this event served as a rich resource for theologians and historians from antiquity to the present day. Athanasius was the first to propose a comprehensive account of this episode, which became the “master narrative”. However, the...