International Olympic Committee Vikelas as its first president. As of June 2017, its membership consists of 95 active members, 41 honorary members, an honorary president (Jacques Rogge) and one honour member (Henry Kissinger). The IOC is the supreme authority of the worldwide modern Olympic movement. The IOC organises the modern Olympic Games and Youth Olympic Games, held in summer and winter, every four years. The first Summer Olympics organised by the IOC was held in Athens, Greece, in 1896; the first Winter Olympics was in Chamonix, France, in 1924. Until 1992, both Summer and Winter Olympics were held in the same year. After
Mario & Sonic at the London 2012 Olympic Games introduces new cooperative mechanics and a Party mode. The 3DS version has 57 Olympic-based events in single-player and multiplayer. It also contains an exclusive "Story Mode" which entails the characters from Mario and Sonic's worlds working against the antagonists, who are trying to use fog machines to prevent the games from being held. The first game in the series, "Mario & Sonic at the Olympic Games", is the first official crossover title to feature characters from both Mario and Sonic the Hedgehog's respective franchises. The Olympic Games were chosen as a setting since Sega and Nintendo felt its competitive sportsmanship