Bids for the 2014 Summer Youth Olympics 2014 host city was elected during the 2010 IOC session in Vancouver, prior to the 2010 Winter Olympics. This was the first election of a Youth Olympic Games host city held in an IOC Session. The elections for the host cities of the 2010 Summer Youth Olympics and 2012 Winter Youth Olympics were done through postal votes by IOC members. China bid for the 2014 Summer Youth Olympics with the city of Nanjing. Nanjing is located in East Central China along the Yangtze River. The IOC noted Nanjing had "the least risk" of the applicant cities. Poznań bid for the
2018 Summer Youth Olympics the 2018 Summer Youth Olympics was held at the Obelisco de Buenos Aires on 6 October 2018 at 20:00 (8 PM) Argentina Time. The 2018 Summer Youth Olympics featured 239 events in 32 sports. These were the demonstration sports in the games: The schedule for the 2018 Summer Youth Olympic Games was released on 9 May 2018, exactly 150 days before the starting of the games on its official website. The closing ceremony of the 2018 Summer Youth Olympics was held at the Youth Olympic Village on 18 October 2018. The Olympic flag was handed over to the next host