In the course of all this, it notably makes reference to the Eighth Ecumenical Council (879-880), in contrast with the opinion of many modern Eastern Orthodox Christians that there are only seven Ecumenical Councils accepted by the Orthodox Church.
The Fourth Council of Constantinople of 869–870 and 879–880 is disputed by Catholicism and Eastern Orthodoxy.
---something wrong here. Iconoclast was NOT a person! ---and Iconoclast, condemned at the Second Council of Nicæa in 787;---> Constans, at the Council of Nicæa (787); John, at the Fourth Council of Constantinople in 869–70.
An Ecumenical Council (Considered the 8th Ecumenical Council by the Catholic Church) was convoked as the Fourth Council of Constantinople to decide this matter.
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