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List of 2004 Pennsylvania Conventions
| Convention | Dates | Location |
|---|---|---|
| KosaiKon Winter AniFest 2004 | February 21, 2004 | Villanova University Villanova, PA |
| Tekkoshocon 2004 | March 12-14, 2004 | Pittsburgh Marriott North Cranberry Township, PA |
| Otaku Unite Premiere 2004 | April 17, 2004 | Philadelphia Film Festival / International House Philadelphia, PA |
| Pittsburgh Comic Con 2004 | April 30 - May 2, 2004 | Monroeville Convention Center Monroeville, PA |
| Wizard World Philadelphia 2004 | May 21-23, 2004 | Philadelphia Convention Center Philadelphia, PA |
| Anthrocon 2004 | July 9-11, 2004 | Adam's Mark Hotel Philadelphia, PA |
| KosaiKon Autumn AniFest 2004 | October 9, 2004 | Villanova University, Bartley Hall Villanova, PA |
| Philcon 2004 | December 10-12, 2004 | Marriott Center City Philadelphia Philadelphia, PA |
| Convention | Dates | Location |