Campbell takes control of AstoundingOct 1, 1937Labels: John W, AstoundingSFEAnalog WikiGolden Age Wiki
Magazine retitled Astounding Science-FictionMar 1, 1938Labels: Astounding Science-Fiction, Magazine retitleAnalog WikiSFE
Campbell launches fantasy companion UnknownMar 1, 1939Labels: Unknown magazine, John WSFEUnknown Wiki
July 1939 issue showcases new star writersJul 1, 1939Labels: Astounding, July 1939SFEBlack DestroyerGolden Age Wiki
Sturgeon’s “Ether Breather” appears in AstoundingSep 1, 1939Labels: Theodore Sturgeon, AstoundingKU ArchivesSFE
Campbell coins “Future History” for Heinlein’s chartMay 1, 1941Labels: Future History, John WFuture HistorySFE
Asimov’s first Foundation story begins serializationMay 1, 1942Labels: Isaac Asimov, FoundationFoundationSFE
Clarke’s “Rescue Party” reaches U.S. magazine audienceMay 1, 1946Labels: Arthur C, Rescue PartyRescue PartySFE
Digest magazines help shift the market after the pulpsOct 1, 1949Labels: The Magazine, digest formatF SF WikiUS Mag Hist
Hubbard’s “Dianetics” article sparks controversy around AstoundingMay 1, 1950Labels: L Ron, DianeticsDianeticsSFE
Galaxy debuts with a “for adults” editorial stanceOct 1, 1950Labels: Galaxy Science, H LGalaxy WikiBarb no
First Hugo Awards recognize a shifting magazine landscapeSep 5, 1953Labels: Hugo Awards, Worldcon 1953Hugo Awards11th WorldconHugo Wiki
Golden Age legacy consolidates into book cultureJan 1, 1955Labels: Book consolidation, Foundation bookFoundationGolden Age WikiSFE