Selected Timeline: Modern era to Nag Hammadi publication. Part Two: 20th Century to 1977

Twentieth Century

• 1900   Fragments of a Faith Forgotten by G. R. S. Mead.
      -      Doinel readmitted to the Gnostic church as a bishop (Tau Julius).
  
• 1903   Additional material from the Gospel of Thomas discovered at Oxyrhynchus. Beginning of the text through logion 7, logion 24 and 36 and fragments of logion 36 through 39.
  
• 1904   New Sayings of Jesus and Fragments of a Lost Gospel by Bernard Grenfell and Arthur Hunt. Pre-publication abridgment of the Oxyrhynchus Papyri: Part 4.
  
• 1906   Thrice Greatest Hermes a comprehensive three volume treatise by G. R. S. Mead.
  
• 1907   Jean Bricaud, a bishop of l'Église Gnostique since 1901 with previous connections to the Eliate Church of Carmel of Eugene Vintras, the remnants of Bernard-Raymond Fabré-Palaprat's l'Église Johannites des Chretiens Primitif (Johannite Church of the Primitive Christians), and the Martinist Order, establishes the Eglise Catholique Gnostique (Gnostic Catholic Church) combining these, becoming patriarch under the name Tau Jean II. Liturgical services are based on Western Rite Christianity rather than the Cathar inspired rituals established by Doniel. Bricaud was encouraged and supported by fellow bishop Gérard "Papus" Encausse, likely to provide sacraments to excommunicated members of the Martinist Order.
  
• 1908   Eglise Gnostique Universelle (Universal Gnostic Church) becomes the name of the church lead by Bricaud. The original church body founded by Doinel continues under the name Eglise Gnostique du France (Gnostic Church of France).
  
• 1911   The close ties between Eglise Gnostique Universelle and the Martinist Order are formalized.
  
• 1917   Septem Sermones ad Mortuos (Seven Sermons To The Dead) by Carl Gustav Jung. Privately published.
  
• 1921   Pistis Sophia (Second edition, with commentary) by G. R. S. Mead.
  
• 1926   l'Église Gnostique du France (the original church body founded by Doinel) is disbanded in favor of the Eglise Gnostique Universelle.
  
• 1928   The Gnostic Society founded in Los Angeles by Theosophists James Morgan Pryse and his brother John Pryse for the study of gnosticism.
  
• 1933   First annual meeting of Eranos, an academic group inspired by Jung, focused on the study of religions. Participants include the foremost scholars of religion, subsequently called the "history of religions" school of thought.
  
• 1944   Jean Bricaud's successor in the EGU, Constant Martin Chevillon (Tau Harmonious) is executed by Nazi collaborators.
      -      Ronald Powell, an Australian of French decent and priest in the Liberal Catholic Church, leaves Australia for Europe, eventually settling in England. He acquires a grant of nobility in keeping with his understanding of spiritual nobility, and legally changes his name to Richard Jean Chretien Duc de Palatine.
  
• 1945   A cache of codices representing a large collection of Gnostic texts in Coptic is found near Nag Hammadi.
  
• 1949   A rare copy of Jung's Septem Sermones ad Mortuos is shown to a young student at Innsbruck by the name of Stephan Hoeller, because of his interest in Gnosticism.
  
  
• 1951   Gnosis als Weltreligion (Gnosis as World Religion) by Gilles Quispel.
• 1953   The first codex of the Nag Hammadi Library to be acquired, dubbed the Jung Codex, is formally presented to C. G. Jung.
      -      The Pre-Nicene Gnostic Catholic Church (now called Ecclesia Gnostica) instituted by the Most Rev. Richard Duc de Palatine, consecrated a bishop previously that year.
  
• 1954   The first translation of the Berlin Codex is published.
• 1955   The Jung Codex by H. Puech, Gilles Quispel, and W. Van Unnik. First publication of translations of Nag Hammadi texts.
• 1958   Morton Smith reports finding an ancient copy of a letter by Clement of Alexandria quoting a secret Gospel of Mark.
      -      The Gnostic Religion: The message of the alien God and the beginnings of Christianity by Hans Jonas, a student of Bultmann and Heidegger. Second edition 1963.
      -      Eglise Gnostique Apostolique instituted by Robert Amberlain.
• 1959   The Ante-Nicene Gnostic Catholic Church becomes active in the US through the ministry of Stephan Hoeller.
      -      English translation of the Gospel of Thomas.
• 1960  Eglise Gnostique Universelle discontinued in favor of Eglise Gnostique Apostolique by Robert Amberlain (Tau Jean III).
• 1967   The Institute for Antiquity and Christianity is founded. The Coptic Gnostic Library Project directed by James Robinson, is one of its six initial projects.
      -      Consecration of Stephan Hoeller (Tau Stephanus) as regionary bishop of the Americas for the Ante-Nicene Gnostic Catholic Church (Ecclesia Gnostica).
• 1973   The Gnostics By Jacques Lacarrière. English translation published in 1977.
• 1977   Die Gnosis: Wesen und Geschichte einer spatiken Religion (Gnosis: The Nature And History of Gnosticism) by Kurt Rudolph. Revised and expanded 1980. English translation 1983.
• 1977   The Nag Hammadi Library in English edited by Marvin Meyer and James Robinson.