1951
| February | Australian Science Fiction Society announced in first issue of Woomera |
| March 25 | First International Fantasy Award given out |
| Whitsun | Festivention |
| July | ASFO started |
| Mid | Little Monsters of America formed |
| Labor Day | Lee Hoffman unmasked as a girl! |
| Labor Day | Room 770 party held |
| September 1-3 | Nolacon I (Worldcon) |
Births and Deaths:
A. A. Attanasio - Abigail Frost - Algernon Blackwood - Avedon Carol - Barbara Hambly - Beth Meacham - Betsy Wollheim - Bill Schelly - Brian Attebery - C. J. Henderson - Carl Freedman - Charlaine Harris - Charles Vess - Charles de Lint - Christopher Evans - Christopher Hinz - Dave Luckett - David Bischoff - David Grigg - David Marusek - Deborah Turner Harris - Delia Sherman - Don Keller - Donya White - Ellen Vartanoff - Eric Vinicoff - Esther Friesner - Gary McGath - Gary Westfahl - Geoff Ryman - Geraldine Harris - Greg Bear - Greg Pickersgill - Guy Snyder - James Patrick Kelly - Janeen Webb - Jim Glass - Jim Young - Joe Lansdale - John Andrews - John Caspell - John Steakley - Jon Courtenay Grimwood - K. D. Wentworth - Leigh Kennedy - Lester Boutillier - Mark Evans - Mark Harrison - Michael A. Banks - Michael Scott Rohan - Mike Raub - Moshe Feder - Orson Scott Card - P. C. Hodgell - Peter Andrew Jones - Priscilla Olson - R. Graeme Cameron - R. H. Barlow - Rick Sternbach - Robert Sacks - Robert Whitaker Sirignano - Rosemary Pardoe - Ross Pavlac - Russ Woodman - Ruth Sanderson - Sherwood Smith - Simon Hawke - Stepan Chapman - Stephen Briggs - Stephen Leigh - Taral Wayne - The Turd - Timothy Lane - Timothy Zahn - Val Lakey Lindahn - W. H. Pugmire - Wendy Pini - William H. Patterson
Convention series started or ended:
Onetime conventions:
Bids:
Publications started or ended:
A Tale of the 'Evans - Alpha and Omega - Approach to Infinity - Avon Science Fiction Reader - Beware - Bizarre - Black Mask - Censored - Confusion - Cosmag - Fantasia - Fantasias - Fantastic Novels - Fantasy Art Society Leaflet - Fantasy Book - Futurist - Journal of Science Fiction - Mad - Operation Fantast Handbook - Operation Fantast Newsletter - Pamphrey - Photon - STEFCARD - Science Fiction Digest - Science-Fiction Five-Yearly - Shadowland - Sludge - Sol - Stef HeadliNews - Stfanews - Super Science Stories - Tactium - Telepath - The Chattahoochee, Okefenokee, & Ogeechee Occasional Gazette - The Fanscient - The Little Monsters of America - Torquasian Times - Wild Hair - Worlds Apart - Worlds Beyond
Publishers founded or closed:
Awards made, started or ended:
Stores opened or closed:
Clubs founded or disbanded:
Fan History:
Miscellaneous:
Asia:
Australia:
Britain:
1951 International - Abigail Frost - Algernon Blackwood - Avedon Carol - Bradford Science Fiction Association - Christopher Evans - Deborah Turner Harris - Fantasy Art Society Leaflet - Festivention - Geoff Ryman - Geraldine Harris - Greg Pickersgill - International Fantasy Award - Jon Courtenay Grimwood - Leigh Kennedy - Liverpool Group - Mark Harrison - Michael Scott Rohan - NECON - Operation Fantast Handbook - Operation Fantast Newsletter - Peter Andrew Jones - Rosemary Pardoe - SFS - Sludge - Stephen Briggs
Canada:
Europe:
Ireland:
New Zealand:
US:
1951 Open ESFA - A Tale of the 'Evans - A. A. Attanasio - All Our Yesterdays - Alpha and Omega - Approach to Infinity - Avon Science Fiction Reader - Barbara Hambly - Beth Meacham - Betsy Wollheim - Beware - Bill Schelly - Bizarre - Black Mask - Brian Attebery - C. J. Henderson - Carl Freedman - Charlaine Harris - Charles Vess - Christopher Hinz - Clean up Fandom Crusade - Confusion - Cosmag - David Bischoff - David Marusek - Delia Sherman - Disclave 2 - Don Keller - Donya White - DripCon - Ellen Vartanoff - Eric Vinicoff - Esther Friesner - Fandora's Box - Fantasia - Fantasias - Fantastic Novels - Fantasy Artisans - Fantasy Book - Fanvet Convention 1 - Futurist - Gary McGath - Gary Westfahl - Greg Bear - Guy Snyder - James Patrick Kelly - Jim Glass - Jim Young - Joe Lansdale - John Andrews - John Steakley - Journal of Science Fiction - K. D. Wentworth - Lester Boutillier - Little Monsters of America - Mad - Mark Evans - Michael A. Banks - Midwestcon 2 - Mike Raub - Moshe Feder - New Orleans in 1950 - New Orleans in 1951 - Nolacon - Sam Moskowitz' Nolacon I Reminiscence - Orson Scott Card - P. C. Hodgell - Photon - Prime Press - Priscilla Olson - R. H. Barlow - Rick Sternbach - Robert Sacks - Robert Whitaker Sirignano - Room 770 - Ross Pavlac - Russ Woodman - Ruth Sanderson - SF International - STEFCARD - Science Fiction Digest - Science-Fiction Five-Yearly - Shadowland - Sherwood Smith - Simon Hawke - Sol - Stef HeadliNews - Stepan Chapman - Stephen Leigh - Stfanews - Super Science Stories - Tactium - The Chattahoochee, Okefenokee, & Ogeechee Occasional Gazette - The Exploration of Space - The Fanscient - The Little Monsters of America - The Turd - Timothy Lane - Timothy Zahn - Torquasian Times - Val Lakey Lindahn - W. H. Pugmire - Wendy Pini - Westercon 4 - Wild Hair - William H. Patterson - Worlds Apart - Worlds Beyond
Rest of the World:
| 1950 | 1951 | 1952 |
