President of the International Olympic Committee Games grew to become the most important sports event. De Coubertin created the modern pentathlon for the 1912 Summer Olympics. He subsequently stepped down from the IOC presidency after the 1924 Summer Olympics, which proved much more successful than the first attempt in Paris in 1900. He was succeeded as IOC President in 1925 by Belgian Henri de Baillet-Latour. De Coubertin remained Honorary President of the IOC until his death in 1937 in Geneva, Switzerland. Henri, Comte de Baillet-Latour was elected IOC President in 1925, after the founder of the modern Olympic Movement, Baron de Coubertin, stepped down from the
Olympic Games detect banned substances. Several athletes were barred from competition by their National Olympic Committees prior to the Games; only three athletes failed drug tests while in competition in Beijing. In London over 6,000 Olympic and Paralympic athletes were tested. Prior to the Games 107 athletes tested positive for banned substances and were not allowed to compete. During and after the Games eight athletes tested positive for a banned substance and were suspended, including shot putter Nadzeya Ostapchuk, who was stripped of her gold medal. Russia was partially banned from the 2016 Summer Olympics and completely banned from the 2018 Winter