Olympic Games of hosting three Olympic Games, all Summer, more than any other city. The other nations hosting the Summer Games twice are Germany, Australia, France and Greece. The other cities hosting the Summer Games twice are Los Angeles, Paris and Athens. With the 2020 Summer Olympic Games, Japan and Tokyo, respectively, will hold these statuses. In addition to the United States, nations hosting multiple Winter Games are France with three, while Switzerland, Austria, Norway, Japan, Canada and Italy have hosted twice. Among host cities, Lake Placid, Innsbruck and St. Moritz have played host to the Winter Olympic Games more than once,
Olympic Games session following a celebration of the Olympic Games. During such revisions, sports can be excluded or included in the programme on the basis of a two-thirds majority vote of the members of the IOC. There are recognised sports that have never been on an Olympic programme in any capacity, including chess and surfing. In October and November 2004, the IOC established an Olympic Programme Commission, which was tasked with reviewing the sports on the Olympic programme and all non-Olympic recognised sports. The goal was to apply a systematic approach to establishing the Olympic programme for each celebration of the Games.