Patriarch Alexy I of Moscow

13th Patriarch of Moscow and all Rus'

Patriarch Alexy I (Alexius I, Russian: Патриарх Алексий I, secular name Sergey Vladimirovich Simansky, Russian: Серге́й Влади́мирович Сима́нский; 8 November [O.S. 27 October] 1877 – 17 April 1970) was the 13th Patriarch of Moscow and all Rus', Primate of the Russian Orthodox Church (ROC) between 1945 and 1970.

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