The Fourth Council of Constantinople was the eighth ecumenical council of the Catholic Church held in Constantinople from 5 October 869, to 28 February 870. It was attended by over 103 bishops. In contrast, the pro-Photian council of 879β80 was attended by 383 bishops. The Council met in ten sessions from October 869 to February 870 and issued 27 canons.
The Fourth Council of Constantinople is convened to depose patriarch Photios I.
On October 5, in the year 869, The Fourth Council of Constantinople is convened to depose patriarch Photios I. This event is recorded as a Historical Events event in the history of October 5, one of 443 recorded events on this date across all of history.
Key Facts
- This event took place on October 5, 869 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 1 Wikipedia article.
- Wikipedia source last updated on 24 August 2026.
On This Date in History 443
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