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.
59th World Science Fiction Convention The Millennium Philcon was the 59th World Science Fiction Convention, held from August 30 to September 3, 2001 at the Pennsylvania Convention Center & Philadelphia Marriott Hotel in Philadelphia, Pennsylvania, USA.