1970
| January 1-3 | First Syncon held |
| Easter | SCI-CON 70 |
| August 15 | First Phoenix Award given out |
| August 20-24 | Heicon '70 (Worldcon) |
| September 4-7 | First Mythcon held |
| TAFF (Eastbound) Elliot Shorter | |
| SFRA founded. | |
| BCSFA founded |
Births and Deaths:
Al Andrews - Chris Roberson - Claire Brialey - Clarrissa Smith - Colson Whitehead - Eric Hildeman - Erle Stanley Gardner - Evelyn Harrison - Gareth L. Powell - George Nims Raybin - Inga Stephens - J. W. Groves - James Knapp - James Shields - John Giunta - Kaja Foglio - Kevin Hearne - Leslie Perri - Martin Andreasson - Michael A. Burstein - Pat Terry - Robert Shearman - Syne Mitchell - Walter Murdoch - Warren Johnson
Convention series started or ended:
Bouchercon - Fancon - Mythcon - Norwestercon - Pecon - SFCon - SFRA Conference - San Diego Comic-Con - SfanCon - Speculation Conferences - Syncon - Wondaycon
Onetime conventions:
Bids:
Publications started or ended:
Akos - Armageddon - Australian Science Fiction Monthly - Badmouth - Belladonna's Broadsheet - Busy Busy Busy - Convention: Newsmagazine for SF Convention Planners - Cor Serpentis - Crabapple - Cronogas-Du - Crucified Toad - Cynic - Cypher - Det lutande lärkträdet - Detours - Egg - Embelyon - Endeavor - Energumen - Erebus - Foolhardy - Fouler - Free Orbit - Gamma - German Con News - GraFan - Great Art Should Never Be Mushed Up - Helmuth - Homewood - Horrib - Hostigos - Hydrophobia - I'll Be Damned - Info - Kabumpo - Laser - Lethe - Lodbrog - Magic Is Afoot - Mallorn - Mathom - Maya - Mini-Mag - Moth - Mount to the Stars - Mythprint - Norstrilian News - Norstrilian Reviews - Nyctalops - Oak Leaves - Org - Outworlds - Pagan - Pertinence - Phantasia - Philosophical Gas - Potlatch - Quicksilver - Random Jottings - Son of a Beach - Sorcerer's Apprentice - Spockanalia - Stardock - Steamboat Willie - Store of Assininity - Testing All Systems - The Exchange - The Fanarchist - The Grim Reaper - The Hannes Bok Illustration Index - The Metaphysical Review - The Scarr - The Wigtonian - Third Foundation - Thumbing Down the Yellow Brick Road - Tolkien Society Bulletin - Translations - Twas Ever Thus - Venture - Venture SF Checklist - Viridiana - What About Us Grils? - Winding Up - Yellow Balloon - Yggdrasil - Yrch! - Zine
Publishers founded or closed:
Awards made, started or ended:
Stores opened or closed:
Clubs founded or disbanded:
Fanhistory:
New fanspeak coined:
Miscellaneous:
Asia:
Australia:
APA NOVA - Australian Science Fiction Monthly - Cor Serpentis - Golden Caterpillar Awards - Lodbrog - Melbourne University Science Fiction Association - Ninth Australian Science Fiction Convention - Norstrilian News - Norstrilian Reviews - Pat Terry - Pat Terry Award for Humour in SF - Philosophical Gas - Syncon - Syncon '70 - The Fanarchist - The Metaphysical Review - Walter Murdoch - Winding Up - Yggdrasil
Britain:
Armageddon - BSFA Award - Belladonna's Broadsheet - Claire Brialey - Crabapple - Crucified Toad - Cynic - Cypher - Egg - Foolhardy - Fouler - Free Orbit - Gamma - Gannets - Gareth L. Powell - Info - J. W. Groves - Mallorn - Maya - Moth - Pertinence - Quicksilver - Ratfandom - Robert Shearman - SCI-CON 70 - Science Fiction Foundation - Speculation Conferences - The Scarr - Tolkien Society Bulletin - Twas Ever Thus - Viridiana - Zine
Canada:
Europe:
Ireland:
New Zealand:
US:
1970 Open ESFA - APA:NESFA - Akos - Al Andrews - Apanage - Avalon - Badmouth - Balticon 4 - Baton Rouge Science Fiction League - Berkeley 1970 - Bermuda in 1970 - Boskone 7 - Bouchercon - Brophy - Bubonicon 2 - Busy Busy Busy - Cepheid Comics and Trade Convention - Chris Roberson - Clarrissa Smith - Colson Whitehead - Concordance to Cordwainer Smith - Convention: Newsmagazine for SF Convention Planners - Cronogas-Du - DeepSouthCon 8 - Detours - Disclave 14 - Embelyon - Endeavor - Erebus - Eric Hildeman - Erle Stanley Gardner - Evelyn Harrison - George Nims Raybin - GraFan - Great Art Should Never Be Mushed Up - Helmuth - Homewood - Horrib - Hostigos - Hydrophobia - I'll Be Damned - Inga Stephens - Inside 2001: A Space Opera - James Knapp - John Giunta - Kabumpo - Kaja Foglio - Kevin Hearne - Leslie Perri - Lethe - Lunacon 13 - Magic Is Afoot - Marcon V - Mathom - Michael A. Burstein - Midwestcon 21 - Mini-Mag - Minicon 3 - More Issues at Hand - Mount to the Stars - Multicon 70 - Mythcon - Mythcon I - Mythprint - Norwestercon - Norwestercon I - Nyctalops - Oak Leaves - OctoCon II - Org - Outworlds - Ozarkon V - Pagan - Partycon - Pecon - Pecon 1 - PgHLANGE II - Phantasia - Philcon 1970 - Phoenix Award - Pilgrim Award - Potlatch - PresiCon - RAPS - Random Jottings - SF Conference at the Midlands Art Center - SFCon - SFCon 70 - Sampo Award - San Diego Comic-Con - Science Fiction Book Review Index - Science Fiction Research Association - Secondary Universe III - Son of a Beach - Sorcerer's Apprentice - Spockanalia - Stardock - Steamboat Willie - Store of Assininity - Symposium 1970 - Syne Mitchell - T.A.N.S.T.A.A.F.L. CON - Testing All Systems - The Exchange - The Eye of Argon - The Grim Reaper - The Hannes Bok Illustration Index - The Rare S-F Mail-Order Company - The Symposium - The Wigtonian - Third Foundation - Thumbing Down the Yellow Brick Road - Twas Ever Thus - Venture - Venture SF Checklist - Warren Johnson - Westercon 23 - What About Us Grils? - Wondaycon - Yellow Balloon - Yrch!
Rest of the World:
| 1969 | 1970 | 1971 |
