sentences:  69th World Science Fiction Convention
  
  The 69th World Science Fiction Convention (Worldcon), also known as Renovation, was held in Reno, Nevada, August 17–21, 2011, at the Reno-Sparks Convention Center (RSCC).The Atlantis Casino Resort served as the headquarters/party hotel, with additional rooms supplied by the Peppermill Reno and Courtyard by Marriott.