The 63rd World Science Fiction Convention (Worldcon), also known as Interaction, was held on 4–8 August 2005 at the SEC Centre with the attached SEC Armadillo and Moat House Hotel in Glasgow, United Kingdom. Parties took place at the Hilton Hotel.
The 62nd World Science Fiction Convention (Worldcon), also known as Noreascon 4, was held on 2–6 September 2004 at the Hynes Convention Center, Sheraton Boston Hotel and Boston Marriott Copley Place in Boston, Massachusetts, United States.
The 58th World Science Fiction Convention (Worldcon), also known as Chicon 2000, was held on 31 August–4 September 2000 at the Hyatt Regency Chicago, Sofitel Hotel and Fairmont Hotel in Chicago, Illinois, United States.
Canvention is the Canadian national science fiction convention, where the Prix Aurora Awards are presented. Normally it is held as part of an existing convention.
The 65th World Science Fiction Convention (Worldcon), also known as Nippon 2007, was held on 30 August–3 September 2007 at the Pacifico Yokohama Convention Center and adjoining hotels in Yokohama, Japan.
The 66th World Science Fiction Convention (Worldcon), also known as Denvention 3, was held on 6–10 August 2008 at the Colorado Convention Center and the Sheraton Denver Downtown Hotel in Denver, Colorado, United States.
The 67th World Science Fiction Convention (Worldcon), also known as Anticipation, was held on 6–10 August 2009 at the Palais des congrès de Montréal in Montréal, Québec, Canada.
The 33rd World Science Fiction Convention (Worldcon), also known as Aussiecon, or Aussiecon One, was held on 14–17 August 1975 at the Southern Cross Hotel in Melbourne, Australia.
The 70th World Science Fiction Convention (Worldcon), also known as Chicon 7, was held on 30 August–3 September 2012 at the Hyatt Regency Chicago in Chicago, Illinois, United States.
The 25th World Science Fiction Convention (Worldcon), also known as NyCon 3 or Nycon 3, was held on 31 August–4 September 1967 at the Statler Hilton Hotel in New York City, United States.
The 28th World Science Fiction Convention (Worldcon), also known as Heicon '70, was held on 20–24 August 1970 at the Stadthalle Heidelberg in Heidelberg, West Germany.
The 31st World Science Fiction Convention (Worldcon), also known as Torcon II, was held on 31 August–3 September 1973 at the Royal York Hotel in Toronto, Ontario, Canada.
The 40th World Science Fiction Convention (Worldcon), also known as Chicon IV, was held on 2–6 September 1982 at the Hyatt Regency Chicago in Chicago, Illinois, United States.
The 42nd World Science Fiction Convention (Worldcon), also known as L.A.con II, was held on 30 August–3 September 1984 at the Anaheim Hilton and the Anaheim Convention Center in Anaheim, California, United States.
The 45th World Science Fiction Convention (Worldcon), also known as Conspiracy '87, was held on 27 August–1 September 1987 at the Metropole Hotel and The Brighton Centre in Brighton, United Kingdom.
The 46th World Science Fiction Convention (Worldcon), also known as Nolacon II, was held on 1–5 September 1988 at the Marriott, Sheraton, and International Hotels, and the New Orleans Municipal Auditorium in New Orleans, Louisiana, United States.
The 49th World Science Fiction Convention (Worldcon), also known as Chicon V, was held on 29 August–2 September 1991 at the Hyatt Regency Chicago in Chicago, Illinois, United States.
The 76th World Science Fiction Convention (Worldcon), also known as Worldcon 76 in San Jose, was held on 16–20 August 2018 in San Jose, California, United States.
The 78th World Science Fiction Convention (Worldcon), also known as CoNZealand, was held from 29 July to 2 August 2020. It was planned to be held at the TSB Arena and Shed 6, Intercontinental Hotel, Michael Fowler Center, in Wellington, New Zealand. However, due to the COVID-19 pandemic, the organizers announced in March 2020 that it would be held as a virtual convention, with no on-site attendance.
The 79th World Science Fiction Convention (Worldcon), also known as DisCon III, was held on 15–19 December 2021 in Washington, D.C., United States.
