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First Council of Nicaea

Defines key Christological boundaries against Arianism and issues canons shaping universal church order.

Ecumenical Council (Nicaea I)AD 3254th century

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Translation: Available · Witness status: Direct witness

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TrinityChristologyCreedChurch Canon
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Metadata

Overview

Category
Councils
Genre
Council Decree
Tradition
Conciliar
Region
Nicaea
Original language
Greek
Date certainty
Exact

Historical context

Manuscript context

This text is represented here through direct Greek witness material associated with Ecumenical Council (Nicaea I) and its circulation in Nicaea. Approved translation support is available in English, Spanish, and Indonesian.

Themes

TrinityChristologyCreedChurch Canon

Controversies

  • Arian controversy
  • Meletian schism

Source links

  • Primary translation

    www.newadvent.org · Source quality: Primary · Last checked: 2026-03-01

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  • Archive mirror

    web.archive.org · Source quality: Archive · Last checked: 2026-03-01

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Original language witnesses

Witness status: Direct witness

Open normalized witness text

  • Codex Canonum Ecclesiae Universae. Concilii Nicaeni Oecumenici I

    License: CC BY-SA 4.0 (see per-file TEI headers)

    Open upstream source

Timeline position

First Council of Nicaea