A convention held in Niagara Falls, NY.

Convention Dates GoHs
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

This is a Stub Convention page. Please extend it by adding information about the convention, including dates of each, 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, etc.