Olympics is a sporting event held every four years and followed by all countries in the world listed in the International Olympic Committee (IOC).

Initially only place in ancient Greece, the Olympics and then revived by a French nobleman, Pierre Fredy, Baron de Coubertin in the late 19th century. Olympics better known, the summer Olympics, has been held every four years since 1896, except the years during World War II.
London Olympic 2012 games coloring pages
Special edition for winter sports, winter Olympics, starting in 1924. This initially held in the same year with the summer Olympics, but since the 1994 winter Olympics were held every four years, with intervals of two years after the summer Olympics.