The Great Moscow Synod () was a Pan-Orthodox synod convened by Tsar

Alexis of Russia Aleksey Mikhaylovich ( rus, Алексе́й Миха́йлович, p=ɐlʲɪkˈsʲej mʲɪˈxajləvʲɪtɕ; – ) was the Tsar of Russia from 1645 until his death in 1676. While finding success in foreign affairs, his reign saw several wars ...

Moscow Moscow ( , US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 millio ...

in April 1666 in order to depose

Patriarch Nikon Nikon ( ru , Ни́кон, Old Russian: ''Нїконъ''), born Nikita Minin (''Никита Минин''; 7 May 1605 – 17 August 1681) was the seventh Patriarch of Moscow and all Rus' of the Russian Orthodox Church, serving officially from ...

of Moscow. The council condemned the famous Stoglav of 1551 as

heretical Heresy is any belief or theory that is strongly at variance with established beliefs or customs, in particular the accepted beliefs of a church or religious organization. The term is usually used in reference to violations of important religi ...

, because it had dogmatized the Russian church's rituals and usage at the expense of those accepted in Greece and other Eastern Orthodox countries. This decision precipitated a great schism of the

Russian Orthodox Church , native_name_lang = ru , image = Moscow July 2011-7a.jpg , imagewidth = , alt = , caption = Cathedral of Christ the Saviour in Moscow, Russia , abbreviation = ROC , type ...

known as the

Raskol The Schism of the Russian Church, also known as Raskol (russian: раскол, , meaning "split" or "schism"), was the splitting of the Russian Orthodox Church into an official church and the Old Believers movement in the mid-17th century. It ...

Avvakum Avvakum Petrov (russian: link=no, Аввакум Петров; 20 November 1620/21 – 14 April 1682) (also spelled Awakum) was an Old Believer and Russian protopope of the Kazan Cathedral on Red Square who led the opposition to Patriarch N ...

and other leading Old Believers were brought to the synod from their prisons. Since they refused to revise their views, the Old Believer priests were defrocked, anathemized and sentenced to life imprisonment in distant monasteries. Paul Meyendorff. ''Russia, Ritual, and Reform: The Liturgical Reforms of Nikon in the 17th Century''. . Pages 66-68. One of the decisions in the synod was a specific ban on a number of depictions of God the Father and the Holy Spirit, which then also resulted in a whole range of other icons being placed on the forbidden list.Oleg Tarasov, 2004 ''Icon and devotion: sacred spaces in Imperial Russia'' page 185

References

{{Reflist 1666 in Christianity 17th-century church councils History of the Russian Orthodox Church 1666 in Russia 17th century in Moscow

Alexis of Russia