Summer Olympic Games from a 42-event competition with fewer than 250 male competitors from 14 nations in 1896, to 306 events with 11,238 competitors (6,179 men, 5,059 women) from 206 nations in 2016. The Summer Olympics has been hosted on five continents by a total of nineteen countries. The United States has hosted the Games four times (in 1904, 1932, 1984 and 1996); this is more times than any other nation. The Games have been held three times in the United Kingdom (in 1908, 1948 and 2012); twice each in Greece (1896, 2004), France (1900, 1924), Germany (1936, 1972) and Australia (1956, 2000);
Winter Olympic Games the Austrian cross-country ski team's residence during the Games where they seized blood-doping specimens and equipment. This event followed the pre-Olympics suspension of 12 cross-country skiers who tested positive for unusually high levels of haemoglobin, which is evidence of blood doping. The 2014 Winter Olympics in Sochi's Russian Doping Scandal has resulted in the International Olympic Committee to begin disciplinary proceedings against 28 (later increased to 46) Russian athletes who competed at the 2014 Winter Games in Sochi, Russia, acting on evidence that their urine samples were tampered with. The Winter Olympics have been an ideological front in the Cold