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
Rio de Janeiro bid for the 2016 Summer Olympics The Brazilian Olympic Committee (COB) chose Rio de Janeiro as its bidding city to host the 2016 Summer Olympics and Paralympics, during its Annual Assembly on September 1, 2006. This was the city's first bid that proceeded to the Candidature phase, after three failed attempts to host the Games in 1936, 2004 and 2012. The lengthy and intensive bidding process was concluded with the election of Rio de Janeiro as the host city during the 121st IOC Session, held in Copenhagen, Denmark, on October 2, 2009. It is the first city in South America to host the Games. Rio de