1579    ''Our Lady of Kazan'', a holy icon of the Russian Orthodox Church, is discovered underground in the city of Kazan, Tatarstan.

1917    St. Tikhon of Moscow is elected the Patriarch of Moscow and of the Russian Orthodox Church.

1927    Metropolitan Sergius proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.

2007    Boris Yeltsin's funeral – the first to be sanctioned by the Russian Orthodox Church for a head of state since the funeral of Emperor Alexander III in 1894.