A convention held in Niagara Falls, NY from 1981 to 1994.

Convention Dates GoHs
Contradiction 1 November 20-22, 1981 Nancy Springer
Contradiction 2 November 19-21, 1982 Thomas M. Disch, Carl Lundgren
Contradiction 3 October 14-16, 1983 Judith Merrill, Sean Spacher, Stave Scherer, Roger Reynolds, Heather Bruton
Contradiction 4 October 5-7, 1984 Donald Kingsbury, Samuel Delany, Phyllis Gottlieb, Nancy Kress
Contradiction 11 September 27-29, 1991 George Alec Effinger, Mercedes Lackey, Larry Dixon, Cliff Stoll
Contradiction 12 October 2-4, 1992 Harry Turtledove, C. J. Cherryh
Contradiction 13 October 1-3, 1993
Contradiction 14 November 4-6, 1994 Mike Resnick, Janet Kagan, Andy Hooper
{$website} {$files} . 1981 1994

This is a convention page. Please extend it by adding information about the convention, including dates, GoHs, convention chairman, location, sponsoring organization, external links to convention pages, awards given, the program, notable events, anecdotes, pictures, scans of publications, pictures of T-shirts, con reports, etc.