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
Comoros at the 2000 Summer Olympics International Olympic Committee on 1 January 1993. Comoros joined Olympic competition at the 1996 Summer Olympics and have participated at every Summer Olympic Games since, though the nation has yet to debut at the Winter Olympic Games. Sydney was the second appearance by the nation in a Summer Olympiad. The 2000 Summer Olympics were held from 15 September to 1 October 2000; a total of 10,651 athletes represented 199 NOCs. The Comoros delegation to Sydney consisted of two track and field athletes: Hadhari Djaffar and Sandjema Batouli. Sandjema Batouli was 18 years old at the time of the Sydney Olympics