Summer Olympic Games team events. American swimmer Michael Phelps set a record for gold medals at a single Games with eight, and tied the record of most gold medals by a single competitor previously held by both Heiden and Scherbo. Another major star of the Games was Jamaican sprinter Usain Bolt, who became the first male athlete ever to set world records in the finals of both the 100 and 200 metres in the same Games. Equestrian events were held in Hong Kong. London held the 2012 Summer Olympics, becoming the first city to host the Games three times. In his closing address
Buenos Aires bid for the 2018 Summer Youth Olympics Aires signed the Youth Olympic Games Candidature Procedure on March 15, 2012. In May 2012, it was suggested that if Buenos Aires is successful in being awarded the 2018 Summer Youth Olympic Games, that the city could bid for the 2028 or 2032 Summer Olympics. In June 2012 it was announced that La Punta was bidding to host the 2019 Pan American Games. Buenos Aires hosted the 125th IOC Session in September 2013 where Tokyo was elected to host the 2020 Summer Olympics. On February 13, 2013, the IOC selected Buenos Aires as one of the three Candidate Cities for