| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 21.5.2004 |  | CN 10 - Champions Night 10 Marilia, Brazil, Brazil | Champions Night |
| 21.5.2004 |  | GCM - Demolition 040521 Kitazawa Town Hall, Setagaya, Tokyo, Japan | Greatest Common Multiple |
| 21.5.2004 |  | M-1 MFC - Mix-Fight St. Petersburg, Russia, Russia | M-1 Global |
| 21.5.2004 |  | WEC 10 - Bragging Rights The Palace, Lemoore, California, United States | World Extreme Cagefighting |