Summer Olympic Games Australia (1956, 2000) and Brazil (2016). Africa has yet to host a Summer Olympics. Stockholm, Sweden, has hosted events at two Summer Olympic Games, having been sole host of the 1912 Games, and hosting the equestrian events at the 1956 Summer Olympics (which they are credited as jointly hosting with Melbourne, Australia). Amsterdam, Netherlands, has also hosted events at two Summer Olympic Games, having been sole host of the 1928 Games and previously hosting two of the sailing races at the 1920 Summer Olympics. At the 2008 Summer Olympics, Hong Kong provided the venues for the equestrian events, which took
Youth Olympic Games was introduced by Johann Rosenzopf from Austria in 1998. On 6 July 2007, International Olympic Committee (IOC) members at the 119th IOC session in Guatemala City approved the creation of a youth version of the Olympic Games, with the intention of sharing the costs of hosting the event between the IOC and the host city, whereas the traveling costs of athletes and coaches were to be paid by the IOC. These Games will also feature cultural exchange programs and opportunities for participants to meet Olympic athletes. Several other Olympic events for youth, like the European Youth Olympic Festival held every