hidden Union of Communes of the Northen Oblast UNION OF COMMUNES OF THE NORTHERN OBLAST (UCNO), an oblast association of Soviets in 1918-19. It included Petrograd, Novgorod, Pskov, Olonets, Archangel, Vologda, North Dvina (separated from Archangel Gubernia in June 1918), and Cherepovets... more