→Post-Imperial era (1453-1782)
*1589 The [[primate]] of the [[Church of Russia]] is styled as "[[patriarch]]."
*1596 At the [[Union of Brest-Litovsk]], several million Ukrainian and Byelorussian Orthodox Christians, living under Polish rule, leave the [[Church of Russia]] and recognize the Pope of Rome, without giving up their Byzantine liturgy and customs, creating the [[Uniate]] church.
*1652-1658 Patriarch [[Nikon of Moscow]] revises liturgical books to bring them into conformity with the Greek liturgical customes, leading to the excommunication of dissenters, who become known as the [[Old Believers]].
*1724 [[Melkite Greek Catholic Church|Melkite]] schism, many faithful from the [[Church of Antioch]] become [[Uniate]]s.