International Boxing Union (since 1996) World Super Middleweight title fights of Scott "The Sandman" Pemberton and Omar Sheika that became ESPN2's "Fight of the Year" in 2003 and 2004. On 7 April 2012, 7-time multiple weight class World Champion James Toney captured the vacant IBU World Heavyweight championship with a TKO over World Heavyweight Bare Knuckle Championship Holder Bobby Gunn. International Boxing Union (since 1996) The International Boxing Union (IBU) is a professional boxing sanctioning body founded in Atlanta, Georgia, United States, in 1996. It is unrelated to the International Boxing Union, based in Europe, which operated until the Second World War. Although the IBU
AIBA World Boxing Championships AIBA World Boxing Championships The AIBA World Boxing Championships and the AIBA Women's World Boxing Championships are biennial amateur boxing competitions organised by the International Boxing Association (AIBA), which is the sport governing body. Alongside the Olympic boxing programme, it is the highest level of competition for the sport. The championships was first held in 1974 Havana, Cuba as a men's only event and the first women's championships was held over 25 years later in 2001. The men's and women's competitions are held separately and since 2006 the biennial championships have been held in alternating years.The number of weight categories