<Ul> <Li> IOC </Li> <Li> BOA </Li> <Li> LOCOG </Li> </Ul> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The 2012 Summer Olympics, formally the Games of the XXX Olympiad and commonly known as London 2012, was a major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC). It took place in London and to a lesser extent across the United Kingdom from 25 July to 12 August 2012 . 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 . </P> <P> 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 July 2005 during the 117th IOC Session in Singapore, defeating bids from Moscow, New York City, Madrid, and Paris . London became the first city to host the modern Olympic Games three times, having previously done so in 1908 and in 1948 . </P>

Where will the summer games be held in 2012