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
Bids for the 2018 Summer Youth Olympics IOC Executive Board selected three candidate cities. On August 30, 2011 Buenos Aires and the Argentine Olympic Committee announced that they will bid for the 2018 Summer Youth Olympic Games. Buenos Aires bid to host the 1956 and 2004 Summer Olympics but lost to Melbourne and Athens respectively. On September 19, 2011, it was announced that Glasgow would submit to the British Olympic Association (BOA) a proposal to bid for the 2018 Summer Youth Olympics. Glasgow hosted the 2014 Commonwealth Games. The city has never made an Olympic bid before. On February 22, 2012 the BOA agreed to put Glasgow