' UFC on Fox' events, formerly aired on Fox.'UFC on ESPN' events, currently airing on ESPN.
UFC events are separated into nine different formats: Traditionally, every event starts off with a preliminary card followed by a main card, with the last fight being known as the main event.
UFC's first event, UFC 1, took place on November 12, 1993. This is a list of events held and scheduled by the Ultimate Fighting Championship (UFC), a mixed martial arts promotion based in the United States. All UFC bouts take place inside the Octagon.
