Olympic Games by 44 cities in 23 countries, but by cities outside Europe and North America on only eight occasions. Since the 1988 Summer Olympics in Seoul, South Korea, the Olympics have been held in Asia or Oceania four times, a sharp increase compared to the previous 92 years of modern Olympic history. The 2016 Games in Rio de Janeiro were the first Olympics for a South American country. No bids from countries in Africa have succeeded. The United States has hosted eight Olympic Games, four Summer and four Winter, more than any other nation. The British capital London holds the distinction
Swimming at the 1908 Summer Olympics – Men's 100 metre freestyle 1908. Thirty-four swimmers from twelve nations competed. These were the first Olympic Games in which a 100-metre pool had been especially constructed (inside the main stadium's track and field oval). Previous Olympic events were swum in open water (1896: The Mediterranean Sea, 1900: The Seine River, 1904: an artificial lake). These were the standing world and Olympic records (in minutes) prior to the 1908 Summer Olympics. "(*)" Intercalated Games "(**)" 100 yards (91.44 m) In the first heat Zoltán Halmay set a new Olympic record with 1:08.2. In the fifth heat Charles Daniels and in the seventh heat Wilfred Edwards