2012 Summer Olympics 2012 Summer Olympics The 2012 Summer Olympics, formally the Games of the XXX Olympiad and commonly known as London 2012, was an international multi-sport event that was held from 27 July to 12 August 2012 in London, United Kingdom. The first event, the group stage in women's football, began on 25 July at the Millennium Stadium in Cardiff, followed by the opening ceremonies on 27 July. 10,768 athletes from 204 National Olympic Committees (NOCs) participated. Following a bid headed by former Olympic champion Sebastian Coe and then-Mayor of London Ken Livingstone, London was selected as the host city on 6
Bids for the 2014 Summer Youth Olympics 2014 host city was elected during the 2010 IOC session in Vancouver, prior to the 2010 Winter Olympics. This was the first election of a Youth Olympic Games host city held in an IOC Session. The elections for the host cities of the 2010 Summer Youth Olympics and 2012 Winter Youth Olympics were done through postal votes by IOC members. China bid for the 2014 Summer Youth Olympics with the city of Nanjing. Nanjing is located in East Central China along the Yangtze River. The IOC noted Nanjing had "the least risk" of the applicant cities. Poznań bid for the