Collectivization drives a surge in camp prisonersJan 1, 1930Labels: Kulaks, CollectivizationBritannica
OGPU creates centralized Gulag administrationApr 25, 1930Labels: OGPU, Gulag administrationGulag ExhibitBritannica
White Sea–Baltic Canal construction begins with prison laborSep 1, 1931Labels: White Sea, Prison laborCanal ArticleMonde Russe
Belbaltlag formed to run canal camp complexNov 16, 1931Labels: Belbaltlag, Canal campBelbaltlagCanal Article
Sevvostlag established to support Dalstroy in KolymaApr 1, 1932Labels: Sevvostlag, DalstroySevvostlag
White Sea–Baltic Canal opens; camp combine continues operationsAug 2, 1933Labels: White Sea, Camp combineCanal Article
NKVD Order 00447 launches mass arrests and camp sentencesJul 30, 1937Labels: NKVD Order, Great TerrorUSC ShoahOrder 00447
Special camps created for political prisonersFeb 21, 1948Labels: Special camps, Political prisonersMVD Camps
Stalin dies, triggering leadership struggle and penal debatesMar 5, 1953Labels: Joseph Stalin, Leadership struggleBritannica
Supreme Soviet issues major amnesty, releasing many inmatesMar 27, 1953Labels: Supreme Soviet, Amnesty decreeAmnesty 1953Vorkuta Uprising
Norilsk prisoner strike becomes a major 1953 camp uprisingMay 26, 1953Labels: Norilsk uprising, Prisoner strikeNorilsk Uprising
Vorkuta uprising challenges camp authorities in a special campJul 19, 1953Labels: Vorkuta uprising, RechlagVorkuta UprisingTIME 1953
Gulag shifted to Ministry of Justice, signaling reform attemptDec 1, 1953Labels: Ministry of, Gulag transferCIA FOIA