Olympic Games Czech Republic, Finland, France, Great Britain, Hungary, Italy, Norway, Poland, Slovakia, Sweden, Switzerland, and the United States) have participated in all twenty-three Winter Games to date. The host city for an Olympic Games is usually chosen seven to eight years ahead of their celebration. The process of selection is carried out in two phases that span a two-year period. The prospective host city applies to its country's National Olympic Committee; if more than one city from the same country submits a proposal to its NOC, the national committee typically holds an internal selection, since only one city per NOC can
Doping at the Olympic Games × 100 m relay due to Nesta Carter testing positive for the prohibited substance methylhexaneamine. The IOC also stripped Russian jumper Tatyana Lebedeva of two silver medals in women's triple jump and long jump due to use of turinabol. On 1 March 2017, the IOC disqualified Victoria Tereshchuk of Ukraine due to use of turinabol and stripped her of the bronze medal in modern pentathlon. By April 2017, the 2008 Summer Olympics has had the most (50) Olympic medals stripped for doping violations. Russia is the leading country with 14 medals stripped. Athletes who were selected for the Games, but