International Sumo Federation (254 lb), Heavyweight over 115 kg (254 lb), and Open Weight [unrestricted entry]), and include competitions for female wrestlers (Lightweight up to 65 kg (143 lb), Middleweight up to 80 kg (180 lb), Heavyweight over 80 kg (180 lb), and Open Weight). International Sumo Federation The International Sumo Federation (IFS) is the largest international governing body of sport Sumo with over 87 member countries. It was formed in 1992 and is the only Sumo organization recognised by the International Olympic Committee and World Anti-Doping Agency. International Sumo Federation has 87 established National sumo Federations. International Sumo Federation encourages the sport's
International Federation of Societies for Microscopy International Federation of Societies for Microscopy The International Federation of Societies for Microscopy (; ; ) is an international non-governmental organization representing microscopy. It currently has 37 national members and 9 associate members, which are split into three regional committees, the Committee for Asia-Pacific Societies of Microscopy, the European Microscopy Society and the Interamerica Committee for Societies for EM. The IFSM was created in October 1951 by the International Council for Science (ICSU) as the "Joint Commission for Electron Microscopy". In July 1955, it became an independent federation following the meeting of national societies representing electron microscopy from the nations