Twentycon was the Birmingham SF Group's twentieth anniversary party held in July, 1991.

For a brief con report by David Langford, see

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.