Sport in Australia governance models similar to that of other Australian sporting organisations with a federated model of governance. Changes were made the organisation ended up with an executive board with a president, two vice presidents, a secretary general and a 14-member executive board which had 10 elected members, 4 IOC members and 2 members of the Athlete's Commission. Australia has hosted the Olympics twice, in 1956 in Melbourne and in 2000 in Sydney. These were the first Games hosted in the southern hemisphere. Australia has been influential in the Olympic movement, with four Australian representatives who are members of the International Olympic
Olympic Games Olympiad, was used by Greeks as one of their units of time measurement. The Games were part of a cycle known as the Panhellenic Games, which included the Pythian Games, the Nemean Games, and the Isthmian Games. The Olympic Games reached their zenith in the 6th and 5th centuries BC, but then gradually declined in importance as the Romans gained power and influence in Greece. While there is no scholarly consensus as to when the Games officially ended, the most commonly held date is 393 AD, when the emperor Theodosius I decreed that all pagan cults and practices be eliminated.