Belokrinitskaya Hierarchy

Belokrinitskaya Hierarchy (Russian: Белокриницкая иерархия, Belokrinitskoe Soglasiye, Russian: Белокриницкое согласие) is the first full and stable church hierarchy created by the Old Believers. == History == After the reforms of Patriarch Nikon of Moscow in the 1650s, many members of the Russian Orthodox Church refused to acknowledge the changes which he had made to bring the church in line with the Greek Orthodox Church.

Source: Wikipedia — Belokrinitskaya Hierarchy (CC BY-SA 4.0)