1928 Summer Olympics Amsterdam in favor of their support for the nomination of Antwerp as host city for the 1920 Summer Olympics. In 1921, Paris was selected for the 1924 Summer Olympics on the condition that the 1928 Summer Olympics would be organized in Amsterdam. This decision, supported by the Netherlands Olympic Committee, was announced by the International Olympic Committee (IOC) on 2 June 1921. The IOC's decision was disputed by the Americans, but their request to allocate the 1928 Summer Olympics to Los Angeles was without success in 1922 and again in 1923. Los Angeles was eventually selected as host city for
Olympic Games the 1960 Olympic Games in Rome, Guttmann brought 400 athletes to compete in the "Parallel Olympics", which became known as the first Paralympics. Since then, the Paralympics have been held in every Olympic year. Since the 1988 Summer Olympics in Seoul, South Korea, the host city for the Olympics has also played host to the Paralympics. In 2001 the International Olympic Committee (IOC) and the International Paralympic Committee (IPC) signed an agreement guaranteeing that host cities would be contracted to manage both the Olympic and Paralympic Games. The agreement came into effect at the 2008 Summer Games in Beijing, and