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
Rotterdam bid for the 2018 Summer Youth Olympics Rotterdam bid for the 2018 Summer Youth Olympics Rotterdam 2018 was a bid by the city of Rotterdam and the Dutch Olympic Committee to host the 2018 Summer Youth Olympics. On February 29, 2012 it was announced that Rotterdam would bid for the 2018 Summer Youth Olympics Rotterdam failed to become a Candidate City for the games when the IOC selected the Candidate cities on February 13, 2013. Buenos Aires was ultimately elected as the host city of the 2018 Summer Youth Olympic Games on July 4, 2013. Amsterdam has made a total of six bids for the Summer Olympic