1605-1681 1824-1871 1853-1900 1871-1944 19thcentury 20thcentury biography bulgakov christianityandculture churchhistory congresses doctrines doctrinesorthodoxeasternchurch feodor finland history historyorthodoxeasternchurch historysrpskapravoslavnacrkva liturgy mlcs2006/12608(b) nationalism nikon orthodoxeasternchurch politicalactivityrusskai︠a︡pravoslavnai︠a︡t︠s︡erkovʹ relations russia russkai︠a︡pravoslavnai︠a︡t︠s︡erkovʹzagranit︠s︡eĭ serbia serbiaandmontenegro sergiĭ sergiĭ solovyov sovietunion theologians theology vladimirsergeyevich