↑Those bids which were not shortlisted for the second and final bidding phase.
↑ 2.02.1At the first Session of the International Olympic Committee, in 1894, Athens was chosen to stage the first Olympic Games of the Modern Era, in 1896, as an honour to the birthplace of the Ancient Olympics. Paris was chosen as the site for the II Olympiad, in 1900, despite Pierre de Coubertin's wish that Paris would celebrate the first Games.[2][3]
↑Rome was the choice of the IOC, but the 1906 eruption of Mount Vesuvius forced the Italians to return the Games to the IOC, which reattributed them to London.[4]
↑The Games were cancelled because of the ongoing World War I.
↑Antwerp was awarded with the Olympic Games as a compensation and to honour the Belgians who fought, suffered and died during the war.[5]
↑Paris got the Games for the second time to fulfill Pierre de Coubertin's wish to see a successful Olympics in his country, erasing the flaws of the 1900 Olympics, before he retired from the IOC.[6]
↑Due to the outbreak of the Second Sino-Japanese War, Japan relinquished its hosting rights to both the Summer and Winter Games. On 1938-07-15, the IOC relocated the Summer Games to Helsinki and the Winter Games to St. Moritz. Finland's invasion by the Soviet Union, in 1939, and the ensuing World War II forced the IOC to cancel the 1940 Summer Games.[7] Disagreements with the Swiss officials, concerning the entry of professional skiers in the Games, prompted the IOC to reattribute them for the second consecutive time to Garmisch-Partenkirchen, on 1939-06-09. They were cancelled as well because of the war.[8]
↑The Games were cancelled because of the ongoing World War II.
↑Selected without election, after the end of the World War II.
↑Australia's strict quarantine laws concerning the entry of foreign horses made it impossible for the equestrian events to be held within the Games period. In May, 1954, during the 49th IOC Session in Athens, Stockholm was chosen to stage what would be known as "Equestrian Games of the XVIth Olympiad".[9][10]
↑Los Angeles' bid was withdrawn on July 31, 2017 as a prerequisite to being awarded 2028, leaving Paris as the only bidder. The USOC initially picked Boston as the US candidate but later withdrew their bid in favor of Los Angeles.
1 – Games handed without bids submitted; 2 – Only one bid submitted; 3 – Bids submitted but no Games celebration; 4 – No bids submitted and no Games celebration