Worldcon/List of worldcons

This is a list of the World Science Fiction Conventions held so far. Unless otherwise noted, the conventions have been held in the U.S..

1. 1939: Nycon I (New York)
2. 1940: Chicon I (Chicago)
3. 1941: Denvention I (Denver?)
4. 1946: Pacificon I (Los Angeles)
5. 1947: Philcon I (Philadelphia)
6. 1948: Torcon I (Toronto, Canada)
7. 1949: Cinvension (Cincinnati)
8. 1950: NorWesCon? (Portland)
9. 1951: Nolacon I (New Orleans)
10. 1952: TASFiC? (Chicago)
11. 1953: 11th Worldcon (Philadelphia)
12. 1954: SFCon (San Francisco)
13. 1955: Clevention (Cleveland?)
14. 1956: NewYorCon? (New York)
15. 1957: Loncon I (London, England)
16. 1958: Solacon ([South Gate]?)
17. 1959: Detention (Detroit)
18. 1960: Pittcon (Pittsburgh)
19. 1961: Seacon (Seattle)
20. 1962: Chicon II (Chicago)
21. 1963: Discon I (Washington DC)
22. 1964: Pacificon II (Oakland)
23. 1965: Loncon II (London, England)
24. 1966: Tricon (Cleveland?)
25. 1967: Nycon III (New York)
26. 1968: Baycon (Oakland)
27. 1969: St. Louiscon (St. Louis)
28. 1970: Heicon '70 (Heidelberg?, West Germany)
29. 1971: Noreascon I (Boston)
30. 1972: LACon I (Los Angeles)
31. 1973: Torcon II (Toronto, Canada)
32. 1974: Discon II (Washington DC)
33. 1975: Aussiecon One (Melbourne, Australia)
34. 1976: MidAmeriCon? (Kansas City)
35. 1977: SunCon? ([Miami Beach]?)
36. 1978: IguanaCon? II (Phoenix)
37. 1979: Seacon '79 (Brighton?, England)
38. 1980: Noreascon II (Boston)
39. 1981: Denvention Two (Denver?)
40. 1982: Chicon IV (Chicago)
41. 1983: ConStellation? (Baltimore?)
42. 1984: LAcon II (Anaheim?)
43. 1985: Aussiecon Two (Melbourne, Australia)
44. 1986: ConFederation? (Atlanta?)
45. 1987: Conspiracy '87 (Brighton?, England)
46. 1988: Nolacon II (New Orleans)
47. 1989: Noreascon III (Boston)
48. 1990: ConFiction? (The Hague, Netherlands)
49. 1991: Chicon V (Chicago)
50. 1992: MagiCon? (Orlando?)
51. 1993: ConFrancisco? (San Francisco)
52. 1994: Conadian (Winnipeg, Canada)
53. 1995: Intersection (Glasgow, Scotland)
54. 1996: LAcon III (Anaheim?)
55. 1997: LoneStarCon? 2 ([San Antonio]?)
56. 1998: BucConeer? (Baltimore?)
57. 1999: Aussiecon Three (Melbourne, Australia)
58. 2000: Chicon 2000 (Chicago)
59. 2001: The Millennium Philcon (Philadelphia)
60. 2002: ConJos?é (San José)
61. 2003: Torcon 3 (Toronto, Canada)