PExplore/Politics & Government/OrganizationProgressive BlocLegislative alliance during World War IOrganizationpolitical partyQ1995589DownloadShareFounded1915CountryRussia(since 1991)On other databases3 identifiers linking Progressive Bloc across the web's reference databasesEncyclopædia Britannica Online IDtopic/Progressive-BlocFreebase ID/m/0288479Great Russian Encyclopedia portal IDprogressivnyi-blok-c11e85