Summer Olympic Games the time. Numbers declined for the 1904 Games in St. Louis, Missouri, United States, due in part to the lengthy transatlantic boat trip required of the European competitors, and the integration with the Louisiana Purchase Exposition World's Fair, which again spread the event out over an extended period. In contrast with Paris 1900, the word "Olympic" was used for practically every contest, including those exclusively for school boys or for Irish-Americans. A series of smaller games were held in Athens in 1906. The IOC does not currently recognise these games as being official Olympic Games, although many historians do. The
Bids for the 2020 Summer Olympics of the host city selection process was approved by the International Olympic Committee (IOC) executive board as follows: Six cities were put forward by their respective National Olympic Committees (NOCs) to apply to host the Games initially, but Rome withdrew its bid shortly before the applicant files were due. The bidding cities come from two continents, Europe and Asia (Istanbul is considered to be located on the border between Asia and Europe). In 2020 it will be twelve years since an Asian city hosted the Summer Olympics (Beijing 2008) and eight years since a European city hosted the Summer Olympics