1939
| July 4 | Nycon (First Worldcon) | |
| July | FAPA Interregnum starts | |
| August | Start of War in Europe | |
| August | First known use of Bug-Eyed Monster in print in Thrilling Wonder Stories . | |
| August | First known use of Goshwowboyohboy also in Thrilling Wonder Stories | |
| Fall | Philcon 1939 | |
| November 5 | First official meeting of the Futurian Society of Sydney | |
| December | Arkham House's first publication published. | |
| The rise of Claude Degler | ||
| Planet Stories started | ||
| Third British Convention in London |
Births and Deaths:
Ann Dietz - Barry McGhan - Barry N. Malzberg - Bruce Burn - Carol Carr - Dave Gibson - Dave Samuelson - Don Pauley - Ellie Turner - Elliot Shorter - Errol Miller - George C. Willick - George H. Wyman - George Metzger - George Slusser - George W. Fields - Gerald W. Page - Guy Terwilleger - Jan Howard Finder - Jan Penney - Jane Yolen - Jo Clayton - John Bangsund - John Baxter - Joseph D. Olander - Joyce Katz - Kenneth J. Zahorski - Larry McCombs - Lars Helander - M. A. Foster - Margaret Atwood - Mark Schulzinger - Marty Gear - Michael Moorcock - Pat Ellington - Peggy Gemignani - Peter Graham - Peter Nicholls - Peter S. Beagle - Peter Singleton - Philip Strick - Steve Francis - Steve Tolliver - Suzy McKee Charnas - Sylvia Dees - Ted Johnstone - Walter Velez - Wendy Freeman - William Rickhardt
Convention series started or ended:
Mecon - WSFC - Worldcon - Worldcons by Area
Onetime conventions:
Bids:
Publications started or ended:
A - A - A Warning - AAaAaAaAAa... - Aaanthor Argus - Ad Astra - Australian Fan News - Chaos - Dynamic Science Stories - Escape - Extracts from the Futurian - Famous Fantastic Mysteries - Fanfare - Fantaseer - Fantastic Adventures - Fantasy Graphic - Fantasy War Bulletin - Fantasy-Scout - Foundation of the CPASF - Funtasy - Future Science Fiction - Futuria Fantasia - Golden Atom - Hollerbochen Comes Back - Horizons - Le Vombiteur Literaire - Macabre - Marvel Science Stories - Metropolis - New Fandom - New Worlds - Nova - Novae Terrae - Planet Stories - Polaris - Postal Preview - Scenes of Fantasy - Sci-Fic Variety - Science Fantasy Review - Science Fiction Collector - Science Fiction News Letter - Science Fiction Progress - Science Fiction Review - Science Fiction and Fantasy Advertiser - Scienti Tales - Startling Stories - Stephan the STFAN - Storm Over Philadelphia - Strange Stories - Sweetness and Light - Swisher Index - Technocrat - Tesseract - The AAAAA Arguy-Y - The FAPA Correspondent - The Fantast - The Grab Bag - The MSA Bulletin - The Planeteer - Ultra - Uncanny Tales - Unknown Worlds - Up To Now - Vad-Jong
Publishers founded or closed:
Awards made, started or ended:
Stores opened or closed:
Clubs founded or disbanded:
Fanhistory:
A History of Fandom in 100 Documents - A Warning - Baby - Empress Publications - Exclusion Act - Golden Age - Jr - Nycon - Forrest J Ackerman' Nycon 1 Reminiscence - John Baltadonis' Nycon 1 Reminiscence - Lloyd Eshbach's Nycon 1 Reminiscence - Harry Harrison's Nycon 1 Reminiscence - Charles D. Hornig's Nycon 1 Reminiscence - Dave Kyle's Nycon 1 Reminiscence - Sam Moskowitz' Nycon 1 Reminiscence - Milt Rothman's Nycon 1 Reminiscence - Julius Schwartz' Nycon 1 Reminiscence - Up To Now - Up To Now: IPO - Up To Now: The Nature of Wollheim's Dictatorship - Up To Now: The Order Begins to Crumble - WSFS - War - Worldcons by Area
New fanspeak coined:
Miscellaneous:
Asia:
Australia:
Britain:
Canada:
Europe:
Ireland:
New Zealand:
US:
A - A - A Warning - AAaAaAaAAa... - Aaanthor Argus - Ad Astra - Ann Dietz - Baby - Barry McGhan - Barry N. Malzberg - Carol Carr - Chaos - Dave Samuelson - Decker Dillies - Don Pauley - Dynamic Science Stories - Ellie Turner - Elliot Shorter - Empress Publications - Errol Miller - Escape - Exclusion Act - Famous Fantastic Mysteries - Fanfare - Fantaseer - Fantastic Adventures - Fantasy Graphic - Fantasy-Scout - Foundation of the CPASF - Funtasy - Future Science Fiction - Futuria Fantasia - Futurian House - Futurian Houses - George C. Willick - George H. Wyman - George Metzger - George Slusser - George W. Fields - Gerald W. Page - Golden Atom - Guy Terwilleger - Hollerbochen Comes Back - Horizons - Jan Howard Finder - Jan Penney - Jane Yolen - Jo Clayton - Joseph D. Olander - Joyce Katz - Jr - Kenneth J. Zahorski - Larry McCombs - Le Vombiteur Literaire - M. A. Foster - Mark Schulzinger - Marty Gear - Marvel Science Stories - Mecon - Metropolis - New Fandom - Nova - Nycon - Forrest J Ackerman' Nycon 1 Reminiscence - John Baltadonis' Nycon 1 Reminiscence - Lloyd Eshbach's Nycon 1 Reminiscence - Harry Harrison's Nycon 1 Reminiscence - Charles D. Hornig's Nycon 1 Reminiscence - Dave Kyle's Nycon 1 Reminiscence - Sam Moskowitz' Nycon 1 Reminiscence - Milt Rothman's Nycon 1 Reminiscence - Julius Schwartz' Nycon 1 Reminiscence - OSA Pow-Wow - Pat Ellington - Peggy Gemignani - Peter Graham - Peter S. Beagle - Philcon 1939 - Planet Stories - Pocket Books - Polaris - Scenes of Fantasy - Sci-Fic Variety - Science Fiction Collector - Science Fiction News Letter - Science Fiction Progress - Science Fiction and Fantasy Advertiser - Scienti Tales - Second Eastern States Science Fiction Convention - Startling Stories - Stephan the STFAN - Steve Francis - Steve Tolliver - Storm Over Philadelphia - Strange Stories - Suzy McKee Charnas - Sweetness and Light - Swisher Index - Sylvia Dees - Technocrat - Ted Johnstone - Tesseract - The AAAAA Arguy-Y - The FAPA Correspondent - The Grab Bag - The MSA Bulletin - The Planeteer - Uncanny Tales - Unknown Worlds - Up To Now - Vad-Jong - Walter Velez - Werewolf Bookshop - William Rickhardt
Rest of the World:
| 1938 | 1939 | 1940 |
