International Olympic Committee
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 that year, however, the IOC shifted the Winter Olympics to the even years between Summer Games, to help space the planning of the two events from one another, and improve the financial balance of the IOC, which receives greater income on Olympic years. The first Summer Youth Olympics were in Singapore in 2010 and the first Winter Youth Olympics were held in Innsbruck in 2012.
Winter Paralympic Games
The Winter Paralympics began in 1976 in Örnsköldsvik, Sweden. Those Games were the first Paralympics (Summer or Winter) that featured athletes other than wheelchair athletes. The Games have expanded and grown to be (along with the Summer Games) part of the largest international sporting event after the Olympic Games. Given their expansion, the need for a very specific classification system has arisen. This system has also given rise to controversy and opened the door for cheating. Winter Paralympians have also been convicted of steroid use and other forms of cheating unique to Paralympic athletes, which has tainted the integrity of the Games.