| Year: | Now through end of 2024 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 1996 1995 1994 1992 1991 1990 1986 1985 1983 1982 1980 1978 1977 1966 1955 1949 | |
| Type: | All • Sci-Fi | |
| Location: | Anywhere • North America • USA | |
| States: | DC • MA • NY • OH • PA |
List of 1966 Ohio Conventions
| Convention | Dates | Location |
|---|---|---|
| Tricon / Worldcon 1966 | September 1-5, 1966 | Sheraton-Cleveland Cleveland, OH, USA |
| Convention | Dates | Location |