Among the most known world systems, loaded with the management of the professional and amateur designations as champions in the "boxes pieds-poings" we have: the WKA (World Kickboxing Association) that had been founded in the USA in the 1976, the WAKO (World Association of KickBoxing Organizations) that had been founded in Germany in the 1978 (WAKO has its origins in the organization of amateur gatherings), the ISKA (that had been founded in 1986) that came from the PKA that did the development of the full contact at the beginning and the WKN (that had been founded in the 1997).