Olga's Gallery
Boris Kustodiyev.
Festival of the II Congress of the Comintern on the Uritsky Square in Moscow.
1921. Oil on canvas. The Russian Museum, St. Petersburg, Russia. More. 
Second Congress of the Comintern -- The Third Communist International was founded by the leaders of Left Socialist parties in 1919. Its Second Congress took place in July 1920 in Moscow. The Comintern would be dissolved in 1943