1930

January	-Astounding first published by Clayton under Harry Bates' editorship.
February 18	Pluto discovered.
July	The first fanzine: The Planet begins publication.
September 27	The First Feud: The Scienceers split in two and cease to function as an organized club
October 27	Ilford Science Literary Circle founded in the UK

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Births and Deaths:

Agnes Harook - Ardath Mayhar - Art Castillo - Arthur Conan Doyle - Bob Briggs - Bryan Berry - C. Stewart Metchette - Calvin Thomas Beck - Carol Ballard - Cherry Wilder - D. G. Compton - Darko Suvin - Dean Dickensheet - Diane Terwilleger - Dick Ellington - Doll Gilliland - Donald Malcolm - Doreen Parker Rogers - Edward D. Hoch - Ellis Mills - Erwin Scudla - Florence Russell - Frank Denton - Fred Saberhagen - Gahan Wilson - George H. Young - George Sjöberg - Hal Shapiro - Ivor Rogers - J. G. Ballard - Jack Gaughan - Jim Warren - Joe Schaumburger - John Birchby - Larry Stewart - Lin Carter - Lionel Blue - Marion Zimmer Bradley - Norb Reinsel - Noreen Shaw - Paul Lehr - Rita Krohne - Robert Stallman - Roger Sims - Russ Woodman - Ruth Kyle - Stephen Fabian - Steven Schultheis - Terri Pinckard - Tom Boardman - Walter Breen

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Convention series started or ended:

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Onetime conventions:

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Bids:

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Publications started or ended:

Amateur Science Fiction Correspondent - Astounding Science Fiction - Cosmology - Fantasy Fictioneer - The Asteroid - The Asteroid - The Planet - Wonder Stories Quarterly

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Publishers founded or closed:

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Awards made, started or ended:

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Stores opened or closed:

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Clubs founded or disbanded:

Boys' Scientifiction Club - Ilford Science Literary Circle - Which Was the First Club?

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Fanhistory:

A History of Fandom in 100 Documents - Cosmology - Which Was the First Club?

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New fanspeak coined:

Distimming - Doshes - Gostak - I Think We're Property - Raygun

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Miscellaneous:

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Asia:

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Australia:

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Britain:

Arthur Conan Doyle - Bryan Berry - D. G. Compton - Donald Malcolm - Doreen Parker Rogers - Florence Russell - Ilford Science Literary Circle - J. G. Ballard - John Birchby - Lionel Blue - Tom Boardman - Which Was the First Club?

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Canada:

C. Stewart Metchette - Darko Suvin

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Europe:

Darko Suvin - Erwin Scudla - George Sjöberg

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Ireland:

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New Zealand:

Cherry Wilder

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US:

Agnes Harook - Amateur Science Fiction Correspondent - Ardath Mayhar - Art Castillo - Astounding Science Fiction - Bob Briggs - Boys' Scientifiction Club - C. Stewart Metchette - Calvin Thomas Beck - Carol Ballard - Cosmology - D. G. Compton - Dean Dickensheet - Diane Terwilleger - Dick Ellington - Doll Gilliland - Edward D. Hoch - Ellis Mills - Fantasy Fictioneer - Florence Russell - Frank Denton - Fred Saberhagen - Gahan Wilson - George H. Young - Hal Shapiro - Ivor Rogers - Jack Gaughan - Jim Warren - Joe Schaumburger - Larry Stewart - Lin Carter - Marion Zimmer Bradley - Norb Reinsel - Noreen Shaw - Paul Lehr - Rita Krohne - Robert Stallman - Roger Sims - Russ Woodman - Ruth Kyle - Stephen Fabian - Steven Schultheis - Terri Pinckard - The Asteroid - The Asteroid - The Planet - Walter Breen - Which Was the First Club? - Wonder Stories Quarterly

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Rest of the World: