When Zero-One left the NWA on October 31, 2004, the title was renamed to incorporate Steve Corino's Pro Wrestling World-1 (Word-1), becoming the Zero-One/UPW/World-1 International Junior Heavyweight Championship.
The title changed from its original name after Zero-One left NWA on October 31, 2004, to reflect Steve Corino's Pro Wrestling World-1 (Word-1), becoming the Zero-One/UPW/World-1 International Junior Heavyweight Championship.