Moscow, Red Square: are infantry, cavalry units, columns of Red Army men, sailors. LD Trotsky takes the parade. The delegates of the Comintern welcomed the participants in the parade. Demonstrators with banners, slogans. Leningrad, Smolny: meeting of the Congress delegates. Speakers: G. Ye. Zinoviev, A. V. Lunacharsky, representatives of foreign communist parties.