The Patriarch of Moscow and all Rus', also known as the Patriarch of Moscow and all Russia, is the title of the primate of the Russian Orthodox Church. It is often preceded by the honorific "His Holin

The 1917–1918 Local Council of the Orthodox Church of Russia was the first Local Council of the Russian Church since the end of the 17th century. It opened on 15 August 1917 in the Assumption Cathedra