What river is the location of the 68th World Science Fiction Convention next to?
68th World Science Fiction Convention The 68th World Science Fiction Convention (Worldcon), Aussiecon Four, was held 2–6 September 2010, in the Melbourne Convention and Exhibition Centre in Melbourne, Victoria, Australia, the location selected by the members of Denvention 3.
38th World Science Fiction Convention The 38th World Science Fiction Convention (Worldcon), also known as Noreascon Two, was held August 29–September 1, 1980, at the Sheraton-Boston Hotel and Hynes Civic Auditorium in Boston, Massachusetts, United States. The supporting organization was Massachusetts Convention Fandom, Inc.