Detcon1 was the 11th occasional North American Science Fiction Convention (NASFiC). It was held in Detroit, Michigan, from July 17–20, 2014, in the Detroit Marriott at the Renaissance Center. This NASFiC was scheduled because London, England, was selected as the location for the 2014 World Science Fiction Convention.

The 72nd World Science Fiction Convention (Worldcon), also known as Loncon 3, was held on 14–18 August 2014 at the ExCeL London in London, United Kingdom.