Modern pentathlon again as one of the 25 core sports of the Olympic program through to 2020. The governing body, Union Internationale de Pentathlon Moderne (UIPM), administers the international sport in more than 90 countries in all the continents of the world. The foundation of the modern pentathlon is disputed. On the one hand, Baron Pierre de Coubertin, the founder of the modern Olympic Games, claimed authorship. On the other hand, Viktor Balck, the President of the Organizing Committee for the 1912 Games, showed that he made use of the long tradition of Swedish military multi-sports events, to create a manageable modern
Olympic Games ceremony the host nation's flag bringing up the rear. Behind them march all of the athletes without any distinction or grouping by nationality. This "Parade of Athletes," the blending of all the athletes, is a tradition that began during the 1956 Summer Olympics at the suggestion of Melbourne schoolboy John Ian Wing, who thought it would be a way of bringing the athletes of the world together as "one nation." Prior to the 1956 Games, no Olympic Team had ever marched in the closing ceremony of the Modern or the Ancient Games. It was the very first International Peace March ever