Before revision: There are three governing bodies in amateur boxing , which rule internationally : International Boxing Association (IBA, formerly AIBA), established 1946, formerly responsible for amateur, Olympic and professional boxing events in general, and organizes the IBA World Boxing Championships.
After revision: There are several major international governing bodies in amateur boxing : International Boxing Association (IBA, formerly AIBA), established 1946, formerly responsible for amateur, Olympic and professional boxing events in general, and organizes the IBA World Boxing Championships.