page_title: Fourth Council of Constantinople (Catholic Church)
hierarchical_section_title: Fourth Council of Constantinople (Catholic Church)
caption_attribution_description: Fourth Council of Constantinople (869-870)
context_page_description: The Fourth Council of Constantinople was the eighth ecumenical council of the Catholic Church held in Constantinople from October 5, 869, to February 28, 870. It included 102 bishops, three papal legates, and four patriarchs. The Council met in ten sessions from October 869 to February 870 and issued 27 canons.
  The council was called by Emperor Basil I the Macedonian and Pope Adrian II. It deposed Photios, a layman who had been appointed as Patriarch of Constantinople, and reinstated his predecessor Ignatius.
  The Council also reaffirmed the decisions of the Second Council of Nicaea in support of icons and holy images and required the image of Christ to have veneration equal with that of the gospel book.
  A later council, the Greek Fourth Council of Constantinople, was held after Photios had been reinstated on the order of the emperor. Today, the Catholic Church recognizes the council in 869–870 as "Constantinople IV", while the Eastern Orthodox Churches recognize the councils in 879–880 as "Constantinople IV" and revere Photios as a saint. At the time that these councils were being held, this division was not yet clear.
context_section_description: The Fourth Council of Constantinople was the eighth ecumenical council of the Catholic Church held in Constantinople from October 5, 869, to February 28, 870. It included 102 bishops, three papal legates, and four patriarchs. The Council met in ten sessions from October 869 to February 870 and issued 27 canons.
  The council was called by Emperor Basil I the Macedonian and Pope Adrian II. It deposed Photios, a layman who had been appointed as Patriarch of Constantinople, and reinstated his predecessor Ignatius.
  The Council also reaffirmed the decisions of the Second Council of Nicaea in support of icons and holy images and required the image of Christ to have veneration equal with that of the gospel book.
  A later council, the Greek Fourth Council of Constantinople, was held after Photios had been reinstated on the order of the emperor. Today, the Catholic Church recognizes the council in 869–870 as "Constantinople IV", while the Eastern Orthodox Churches recognize the councils in 879–880 as "Constantinople IV" and revere Photios as a saint. At the time that these councils were being held, this division was not yet clear. These two councils represent a growing divide between East and West. The previous seven ecumenical councils are recognized as ecumenical and authoritative by both Eastern Orthodox and Catholic Christians. These kinds of differences led eventually to the East–West Schism of 1054.
caption: Fourth Council of Constantinople (869-870)
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