![Brock Lesnar](http://image.tmdb.org/t/p/w92/yJyYstoNKcsszXF5Ust7bS2eZlF.jpg)
UFC 100: Making History was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on July 11, 2009 in Las Vegas, Nevada. The event included two championship bouts (Heavyweight and Welterweight) and a fight between the two coaches of the most recent season of The Ultimate Fighter reality series on Spike TV.