International Boxing Federation Muaythai On April 28 2018, Youssef Boughanem from Belgium and Morocco became the first world champion as non-Thai kickboxer. In addition, he was the current WBC Muaythai world Middleweight champion. IBF Muaythai sanctions 17 weight division as same as boxing. This is different from WBC Muaythai as it sanctions 19 weight divisions. International Boxing Federation Muaythai International Boxing Federation Muaythai (or IBF Muaythai) is commissioned under the jurisdiction of the International Boxing Federation (IBF) as a non-profit organization to regulate, control and supervise professional Muay Thai events worldwide. The International Boxing Federation had "1st Annual Convention of IBF Muaythai" in Bangkok,
Undisputed champion between 1880 and 1920. Once a consensus champion had been awarded the title, the championship could usually be taken only by beating the reigning holder, establishing a lineal championship. The New York State Athletic Commission (NYSAC) recognized champions from its foundation in 1920. The National Boxing Association (NBA) was founded by other U.S. state bodies in 1921, and began recognising champions in 1927. Until the 1960s, both usually recognised the same lineal champion. However, disputes could arise if the champion retired or moved to a different weight class. Occasionally, the International Boxing Union (renamed the European Boxing Union in 1946)