2012 Summer Olympics 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 Olympics three times, having previously hosted the Summer Games in 1908 and in 1948. Construction for the Games involved considerable redevelopment, with an emphasis on sustainability. The main focus was a new Olympic Park, constructed on a former industrial site at Stratford, East London. The Games also made use of venues that already existed before the bid. The Games received widespread acclaim for their organisation, with the volunteers, the British military and
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