2012 Summer Olympics in the programme for the first time, and 36 women competed in three weight classes. There was a special dispensation for the shooting events, which would otherwise have been illegal under UK gun law. In tennis, mixed doubles returned to the Olympic programme for the first time since 1924. London's bid featured the same 28 sports that had been included in other recent Summer Olympics, but the IOC voted to drop baseball and softball from the 2012 Games just two days after London had been selected as the host city. There was an appeal, but the IOC voted to uphold
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