Worldcons by Area

Australia

• 1975 -- Aussiecon One (Australia in '75)
• 1983 -- Adelaide in '83
• 1984 -- Perth in '84 (gave way to Australia in '83)
• 1983 -- Australia in '83 (lost to ConStellation)
• 1985 -- Aussiecon Two (Melbourne in '85 also known as Australia in '85)
• 1988 -- Sydney Cove in '88 (bid was terminated before the vote)
• 1991 -- Sydney in '91 (lost to Chicon V)
• 1994 -- Perth in '94 (bid was terminated before the vote)
• 1995 -- Sydney in 95
• 1999 -- Aussiecon Three (Australia in 1999)
• 2005 -- Sydney in 2005
• 2010 -- Aussiecon 4 (Australia in 2010)
• 2025 -- Perth, Australia in 2025

See also Huttcon '90, Ratcon in Ararat, and Rottnest Island.

Britain

• 1957 -- Loncon (London in 1957)
• 1965 -- Loncon II
• 1979 -- Seacon '79
• 1987 -- Conspiracy '87 (Britain in '87)
• 1995 -- Intersection (UK in '95)
• 2005 -- Interaction (Glasgow in 2005)
• 2014 -- Loncon 3 (London in 2014)

Canada

• 1948 -- Torcon
• 1973 -- Torcon II
• 1984 -- ConAdian
• 2003 -- Torcon 3
• 2009 -- Anticipation

Europe

• 1970 -- Heicon '70 (Germany)
• 1990 -- ConFiction (Netherlands)
• 2017 -- Worldcon 75 (Finland)

Ireland

• 2019 -- Dublin 2019

New Zealand

• 2020 -- CoNZealand

United States

Baltiwash

• 1960 -- DC in 1960 (lost to Pittcon)
• 1963 -- Discon
• 1966 -- Baltimore in '67 (lost to New York in 1967 which ran NyCon III)
• 1974 -- Discon II
• 1980 -- Baltimore in '80 (lost to Boston in 1980)
• 1983 -- Constellation (Baltimore in '83)
• 1984 -- DC in '84 (odd, out-of-rotation bid which was forced to withdraw)
• 1992 -- DC in 1992 (withdrew before the vote. Competition was Orlando in '92)
• 1998 -- BucConeer (Baltimore in '98)
• 2007 -- Baltimore in 2007 (probably a hoax bid)
• 2007 -- DC in 007 (short-lived serious bid)
• 2011 -- DC in 2011 (short-lived serious bid)
• 2017 -- DC17

Bay Area

• 1954 -- SFCon
• 1964 -- Pacificon II
• 1968 -- Baycon
• 1993 -- ConFrancisco
• 2004 -- ConJosé
• 2017 -- Worldcon 76 in San Jose

Hear ConFrancisco chair David Clark and ConJosé co-chair Kevin Standlee recount the bids and conventions along with Warren Buff and Lisa Hayes at Baycon 2014: Bay Area Worldcon Reminiscences.

Boston

• 1966 -- Boston in '67 (lost to New York in 1967 (NyCon3))
• 1971 -- Noreascon (Boston in 71)
• 1980 -- Noreascon Two (Boston in 1980) (Bid by MCFI)
• 1989 -- Noreascon 3 (Boston in '89) (Bid by MCFI)
• 1994 -- abandoned bid for 1998 Worldcon (Boston in '98, bid by MCFI))
• 1995 -- failed bid for 1998 Worldcon. (Boston in 1998, bid by BCEC.)
• 1997 -- failed bid for 2001 Worldcon. (Bid by MCFI for a Worldcon to be held in Orlando, FL.)
• 1999 -- Boston in 1999, a hoax bid
• 2004 -- Noreascon 4 (Boston in 2004) (Bid by MCFI)

Chicago

• 1940 -- Chicon I
• 1952 -- Chicon II (TASFiC).
• 1959 -- Chicago: 1959 (unsuccessful bid)
• 1960 -- Chicago in '60 (unsuccessful bid)
• 1962 -- Chicon III (Chicago in 1962)
• 1982 -- Chicon IV (Chicago in 1982)
• 1991 -- Chicon V (Chicago in '91)
• 2000 -- Chicon 2000 (Chicago in 2000)
• 2008 -- Chicago in 2008 (unsuccessful bid)
• 2012 -- Chicon 7 (Chicago in 2012)

Denver

• 1941 -- Denvention I
• 1981 -- Denvention Two
• 2008 -- Denvention 3

L.A.

• 1946 -- Pacificon 1
• 1948 -- Start of South Gate in '58 bid.
• 1957 -- Failed Los Angeles in 1957 bid.
• 1958 -- Solacon
• 1959 -- Start of (unsuccessful) South Gate Again in 2010! bid.
• 1972 -- L.A.con I
• 1976 -- Failed LA in '78 bid
• 1979 -- Failed LA in '81 bid
• 1984 -- L.A.con II
• 1987 -- Failed LA in '90 bid
• 1996 -- L.A.con III (LA in '96)
• 2006 -- L.A.con IV (LA in 2006)

Pennsylvania

• 1947 -- Philcon (Philadelphia)
• 1953 -- 11th Worldcon (Philadelphia)
• 1960 -- Pittcon (Pittsburgh in '60), failed bid for Philadelphia in 1960
• 1976 -- Failed Philly bid for 1977 Worldcon
• 1984 -- Failed Philly bid for 1986 Worldcon
• 2001 -- Millennium Philcon (Philadelphia in 2001)

New Orleans

• 1951 -- Nolacon
• 1972 -- Failed New Orleans in '73 bid
• 1977 -- Failed New Orleans in '79 bid
• 1988 -- Nolacon II

Ohio

• 1949 -- Cinvention (Cincinnati)
• 1955 -- Clevention (Cleveland)
• 1966 -- Tricon (Cleveland)

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