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
Delphic Games of the modern era the IDC actively supports the creation of the National Delphic organizations. Since 1997 the IDC has organized the International Youth Delphic Games in Georgia, Germany, Philippines, South Africa, as well as, since 2000, the International Delphic Games for adult participants in Russia, Malaysia, South Korea. The IDC held Delphic Games and Junior Delphic Games in the four-year cycle, two years offset from one another, such as the Olympic Games, held at different locations in the world. The International Delphic Games and Congresses receive greetings, patronage and support from various international organizations and celebrities. A newer organization, International Delphic Committee (IDC)