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
1964 Summer Olympics bid for the 2016 Summer Olympics, which were awarded to Rio de Janeiro. Tokyo will host the 2020 Summer Olympics and 2020 Summer Paralympics games. Tokyo will be the first Asian city to host the games twice. North Korea withdrew its athletes from the 1964 Summer Olympics just before the Games were due to start, as the IOC were refusing to accept any athletes who had participated in the Games of the New Emerging Forces (GANEFO) held in Jakarta, Indonesia, in 1963. China and Indonesia also chose not to attend the Tokyo Games due to GANEFO issues. 1964 Summer Olympics