| Edizione | Anno | Nome | Città | Stato | Ospite d'onore |
| 1 | 1939 | Nycon I | New York | USA | Frank R. Paul |
| 2 | 1940 | Chicon I | Chicago | USA | E. E. Smith |
| 3 | 1941 | Denvention I | Denver | USA | Robert A. Heinlein |
| 4 | 1946 | Pacificon I | Los Angeles | USA | A. E. van Vogt
E. Mayne Hull |
| 5 | 1947 | Philcon I | Filadelfia | USA | John W. Campbell |
| 6 | 1948 | Torcon I | Toronto | Canada | Robert Bloch (Pro)
Bob Tucker (fan) |
| 7 | 1949 | Cinvention | Cincinnati | USA | Lloyd A. Eshbach (pro)
Ted Carnell (fan) |
| 8 | 1950 | Norwescon | Portland | USA | Anthony Boucher |
| 9 | 1951 | Nolacon I | New Orleans | USA | Fritz Leiber |
| 10 | 1952 | TASFiC | Chicago | USA | Hugo Gernsback |
| 11 | 1953 | Philcon II | Filadelfia | USA | Willy Ley |
| 12 | 1954 | SFCon | San Francisco | USA | John W. Campbell |
| 13 | 1955 | Clevention | Cleveland | USA | Isaac Asimov (pro)
Sam Moskowitz (mystery GoH) |
| 14 | 1956 | NyCon II | New York | USA | Arthur C. Clarke |
| 15 | 1957 | Loncon I | Londra | UK | John W. Campbell |
| 16 | 1958 | Solacon | South Gate | USA | Richard Matheson |
| 17 | 1959 | Detention | Detroit | USA | Poul Anderson (pro)
John Berry (fan) |
| 18 | 1960 | Pittcon | Pittsburgh | USA | James Blish |
| 19 | 1961 | Seacon | Seattle | USA | Robert A. Heinlein |
| 20 | 1962 | Chicon III | Chicago | USA | Theodore Sturgeon |
| 21 | 1963 | Discon I | Washington | USA | Murray Leinster |
| 22 | 1964 | Pacificon II | Oakland | USA | Leigh Brackett (pro)
Edmond Hamilton (pro)
Forrest J. Ackerman (fan) |
| 23 | 1965 | Loncon II | Londra | UK | Brian Aldiss |
| 24 | 1966 | Tricon | Cleveland | USA | L. Sprague de Camp |
| 25 | 1967 | Nycon 3 | New York | USA | Lester del Rey (pro)
Bob Tucker (fan) |
| 26 | 1968 | Baycon | Berkeley | USA | Philip José Farmer (pro)
Walter J. Daugherty (fan) |
| 27 | 1969 | St. Louiscon | St. Louis | USA | Jack Gaughan (pro)
Eddie Jones (fan) |
| 28 | 1970 | Heicon '70 | Heidelberg | Germania | E. C. Tubb (UK)
Robert Silverberg (US)
Herbert W. Franke (Germania)
Elliot K. Shorter (fan) |
| 29 | 1971 | Noreascon I | Boston | USA | Clifford D. Simak (pro)
Harry Warner, Jr. (fan) |
| 30 | 1972 | L.A.con I | Anaheim | USA | Frederik Pohl (pro)
Buck & Juanita Coulson (fan) |
| 31 | 1973 | Torcon II | Toronto | Canada | Robert Bloch (Pro)
William Rotsler (fan) |
| 32 | 1974 | Discon II | Washington | USA | Roger Zelazny (pro)
Jay Kay Klein (fan) |
| 33 | 1975 | Aussiecon 1 | Melbourne | Australia | Ursula K. Le Guin (pro)
Susan Wood (fan)
Mike Glicksohn (fan)
Donald Tuck (Australia) |
| 34 | 1976 | MidAmeriCon | Kansas City | USA | Robert A. Heinlein |
| 35 | 1977 | SunCon | Miami Beach | USA | Jack Williamson (pro)
Robert A. Madle (fan) |
| 36 | 1978 | IguanaCon II | Phoenix | USA | Harlan Ellison (pro)
Bill Bowers (fan) |
| 37 | 1979 | Seacon '79 | Brighton | UK | Brian Aldiss (UK)
Fritz Leiber (US)
Harry Bell (fan) |
| 38 | 1980 | Noreascon Two | Boston | USA | Damon Knight (pro)
Kate Wilhelm (pro)
Bruce Pelz (fan) |
| 39 | 1981 | Denvention Two | Denver | USA | Clifford D. Simak (pro)
C. L. Moore (pro)
Rusty Hevelin (fan) |
| 40 | 1982 | Chicon IV | Chicago | USA | A. Bertram Chandler (pro)
Frank Kelly Freas (pro)
Lee Hoffman (fan) |
| 41 | 1983 | ConStellation | Baltimora | USA | John Brunner (pro)
David A. Kyle (fan) |
| 42 | 1984 | L.A.con II | Anaheim | USA | Gordon R. Dickson (pro)
Dick Eney (fan) |
| 43 | 1985 | Aussiecon Two | Melbourne | Australia | Gene Wolfe (pro)
Ted White (fan) |
| 44 | 1986 | ConFederation | Atlanta | USA | Ray Bradbury (pro)
Terry Carr (fan) |
| 45 | 1987 | Conspiracy '87 | Brighton | UK | Doris Lessing (UK)
Alfred Bester (US)
Arkadij e Boris Strugackij (USSR)
Jim Burns (artist)
Ray Harryhausen (film)
Joyce e Ken Slater (fan)
David Langford (special fan) |
| 46 | 1988 | Nolacon II | New Orleans | USA | Donald A. Wollheim (pro)
Roger Sims (fan) |
| 47 | 1989 | Noreascon 3 | Boston | USA | Andre Norton (pro)
Betty e Ian Ballantine (pro)
The Stranger Club (fan) |
| 48 | 1990 | ConFiction | L'Aia | Paesi Bassi | Harry Harrison (pro)
Wolfgang Jeschke (pro)
Joe Haldeman (pro)
Andrew I. Porter (fan) |
| 49 | 1991 | Chicon V | Chicago | USA | Hal Clement (pro)
Martin H. Greenberg (pro)
Richard Powers (pro)
Jon e Joni Stopa (fan) |
| 50 | 1992 | MagiCon | Orlando | USA | Jack Vance (pro)
Vincent Di Fate (artist)
Walter A. Willis (fan) |
| 51 | 1993 | ConFrancisco | San Francisco | USA | Larry Niven
Alicia Austin
Tom Digby
Jan Howard Finder
Mark Twain (Dead GoH) |
| 52 | 1994 | ConAdian | Winnipeg | Canada | Anne McCaffrey (pro)
George Barr (artist)
Robert Runte (fan) |
| 53 | 1995 | Intersection | Glasgow | UK | Samuel R. Delany (writer)
Gerry Anderson (media)
Les Edwards (artist)
Vin¢ Clarke (fan) |
| 54 | 1996 | L.A.con III | Anaheim | USA | James White (writer)
Roger Corman (media)
Elsie Wollheim (special)
Takumi e Sachiko Shibano (fan) |
| 55 | 1997 | LoneStarCon 2 | San Antonio | USA | Algis Budrys (pro)
Michael Moorcock (pro)
Don Maitz (artist)
Roy Tackett (fan) |
| 56 | 1998 | BucConeer | Baltimora | USA | C. J. Cherryh
Milton A. Rothman
Stanley Schmidt
Michael Whelan
J. Michael Straczynski (special) |
| 57 | 1999 | Aussiecon Three | Melbourne | Australia | Gregory Benford, autore
George Turner, autore
Bruce Gillespie, fan |
| 58 | 2000 | Chicon 2000 | Chicago | USA | Ben Bova (autore)
Bob Eggleton (artista)
Jim Baen (editore)
Bob & Anne Passovoy (fan) |
| 59 | 2001 | Millennium Philcon | Filadelfia | USA | Greg Bear (autore)
Stephen Youll (artista)
Gardner Dozois (editore)
George H. Scithers (fan) |
| 60 | 2002 | ConJosé | San José | USA | Vernor Vinge (autore)
David Cherry (artista)
Bjo & John Trimble (fan)
Ferdinand Feghoot (imaginary) |
| 61 | 2003 | Torcon 3 | Toronto | Canada | George R. R. Martin (autore)
Frank Kelly Freas (artista)
Mike Glyer (fan)
Robert Bloch (GoHst of Honor) |
| 62 | 2004 | Noreascon 4 | Boston | USA | Terry Pratchett (pro)
William Tenn (pro)
Jack Speer (fan)
Peter Weston (fan) |
| 63 | 2005 | Interaction | Glasgow | UK | Greg Pickersgill
Christopher Priest
Robert Sheckley
Lars-Olov Strandberg
Jane Yolen |
| 64 | 2006 | L.A.con IV | Anaheim | USA | Connie Willis (autore)
James Gurney (artista)
Howard DeVore (fan)
Frankie Thomas (Special) |
| 65 | 2007 | Nippon 2007 | Yokohama | Giappone | Sakyō Komatsu (autore)
David Brin (autore)
Takumi Shibano (fan)
Yoshitaka Amano (artista)
Michael Whelan (artista) |
| 66 | 2008 | Denvention 3 | Denver | USA | Lois McMaster Bujold (pro)
Tom Whitmore (fan)
Rick Sternbach (artista) |
| 67 | 2009 | Anticipation | Montréal | Canada | Neil Gaiman (pro)
Elisabeth Vonarburg (ospite d'onore)
Taral Wayne (fan)
David Hartwell (editore)
Tom Doherty (editore)
Ralph Bakshi (artista) |
| 68 | 2010 | Aussiecon Four | Melbourne | Australia | Kim Stanley Robinson (autore)
Robin Johnson (fan)
Shaun Tan (artista) |
| 69 | 2011 | Renovation | Reno | USA | Tim Powers
Ellen Asher
Boris Vallejo
Charles N. Brown (in memoria) |
| 70 | 2012 | Chicon 7 | Chicago | USA | Mike Resnick (author)
Rowena Morrill (artista)
Story Musgrave (astronauta)
Peggy Rae Sapienza (fan)
Jane Frank (agente letterario)
Sy Liebergot (Addetto al controllo missione NASA)
John Scalzi (maestro di cerimonia) |
| 71 | 2013 | LoneStarCon 3 | San Antonio | USA | Ellen Datlow
James Gunn
Willie Siros
Norman Spinrad
Darrell K. Sweet
Paul Cornell (maestro di cerimonia)
Leslie Fish
Joe R. Lansdale |
| 72 | 2014 | Loncon 3 | Londra | UK | Iain M. Banks (in memoriam)
John Clute
Chris Foss
Malcolm Edwards
Jeanne Gomoll
Robin Hobb
Bryan Talbot |
| 73 | 2015 | Sasquan | Spokane | USA | Brad Foster
David Gerrold
Vonda McIntyre
Tom Smith
Leslie Turek |
| 74 | 2016 | MidAmeriCon II | Kansas City | USA | Kinuko Y. Craft
Patrick Nielsen Hayden
Teresa Nielsen Hayden
Tamora Pierce
Michael Swanwick |
| 75 | 2017 | Worldcon 75 | Helsinki | Finlandia | John-Henri Holmberg
Nalo Hopkinson
Johanna Sinisalo
Claire Wendling
Walter Jon Williams |
| 76 | 2018 | Worldcon 76 in San Jose | San Jose | USA | Spider Robinson
Chelsea Quinn Yarbro
Pierre Pettinger
Sandy Pettinger
Edgar Pangborn |
| 77 | 2019 | Dublin 2019 - An Irish Worldcon | Dublino | Irlanda | Diane Duane
Ginjer Buchanan
Jocelyn Bell Burnell
Ian McDonald
Steve Jackson
Bill and Mary Burns |
| 78 | 2020 | CoNZealand | Wellington | Nuova Zelanda | Mercedes Lackey
Larry Dixon
Greg Broadmore
Rose Mitchell |
| 79 | 2021 | DisCon III | Washington D.C. | USA | Nancy Kress Malka Older Sheree Renée Thomas Ben Yalow |
| 80 | 2022 | Chicon 8 | Chicago | USA | Tananarive Due Steven Barnes Edie Stern e Joe Siclari Erle Korshak Annalee Newitz e Charlie Jane Anders |
| 81 | 2023 | Chengdu Worldcon 81st | Chengdu | Cina | Cixin Liu Robert J. Sawyer |
| 82 | 2024 | Glasgow 2024 | Glasgow | UK | Chris Baker Claire Brialey Mark Plummer Ken MacLeod Nnedi Okorafor Terri Windling |
| 83 | 2025 | Seattle Worldcon 2025 | Seattle | USA | Martha Wells Donato Giancola Bridget Landry Alexander James Adams |
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