Official opening ceremony of the district took place on 27 March 1926 with participation of Felix Dzerzhinsky, Feliks Kon, Samuil Lazovert, Boleslav Skarbek, Józef Unszlicht at the First district congress of Soviets (27-30 April 1926) where in total took part 103 delegates and 500 visitors. The newly created district received valuable presents: from Moscow Factory "Tribuna" were 2 tractors with ploughs, from "Pratsia" association – radio receivers, from Polish department of the People's Commissariat of Enlightenment of the Ukrainian SSR – otoscopes. In 1927 took place the Second congress of Soviets of Marchlewski District at which were present Tomasz Dąbal, Samuil Lazovert, Boleslav Skarbek. During celebration of the 10th Anniversary of 1917 October Revolution the Polish District was visited by Polish delegation.