About the Lesson


In this stand-alone lesson, we will explore the Fourth Council of Constantinople (869–870), which addressed the controversial deposition of Patriarch Ignatius and the rise of Photius during a turbulent period in East-West relations. Recognized as an ecumenical council by the Catholic Church, it affirmed papal primacy and condemned Photius while issuing disciplinary canons to combat clerical corruption. This council provides insight into the complexities of church authority, reform, and the ongoing tensions between Rome and Constantinople.

Example Curriculum

  A Crash Course on the Council of Constantinople IV (869-870)
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