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** In 1936, Tokyo, Japan was awarded the 1940 Games and when the Sino-Japanese war began in 1938 the Games were transferred to Helsinki, Finland. But then with the invasion of the Soviet invasion of Finland in 1939, the IOC awarded the 1944 Games to London, over competing claims from Detroit (USA), Lausanne (Switzerland) and Rome (Italy). Then in 1946 through a postal vote the IOC decided to hold the 1948 Games in London.
** The founder of the modern Olympics Frenchman Baron de Coubertin had died in 1937 and his heart was buried at Olympia in Greece.
** The 1948 Games was organized by the British Olympic Association, under the presidency of Lord Burghley, who incidentally had won the gold in the 400m hurdles at Amsterdam in 1928.
** The famous Wembley Stadium, the home of the British football, was the main venue for the 1948 Games.
** Due to the aftermath of the war, Britain still had rationing of food and clothing. Housing were very short due to wartime destruction, and the competitors were housed at RAF and Army camps (for men) and colleges (for women).
** For the first time superior photofinish equipments, as used on racecourses, was used in the 1948 Games for the track events, but only to decide places.
** The 1948 Games were the first to be shown on home television although very few people in Great Britain actually owned sets.
** The first political defection took place in the 1948 Olympic Games when Marie Provaznikova, the president of the technical commission of women's gymnastics, refused to return to Communist-ruled Czechoslovakia.
** The 30-year-old Dutch woman Francina "Fanny" Blankers-Koen won four gold medals in the track and field events - which was a record for a female athlete.
** Dutch woman athlete Francina "Fanny" Blankers-Koen created a new record when she easily won the 200m gold in the 1948 Games. The gap between her and the silver medallist (Britain's Audrey Williamson) was 0.7 sec - which still remains the largest margin of victory ever achieved in an Olympic sprint, by men or women.
** In the women's high jump at London in 1948, Britain's Dorothy Tyler (nee Odam) won her second successive silver medal after winning one 12 years earlier at Berlin in 1936. Interestingly on both the occasions she had cleared the same height as the winner.
** At 17 years 263 days American Bob Mathias became the youngest ever male Olympic individual athletics champion when he won the decathlon in the 1948 Games.
** Duncan White of Ceylon (now Sri Lanka) became the only medallist of his country when he won the silver in the 400m hurdles at the 1948 Games.
** In the marathon event of the 1948 Games, an exhausted Etiene Gailly (Belgium), was passed by two runners before the tape, although he was the first to enter the stadium.
** American Audrey Patterson who won a bronze in the 200m sprint in the 1948 Games became the first black woman to earn an Olympic medal.
** American Alice Coachman who won the high jump in the 1948 Games became the first black female gold medallist
** Sweden who had won the equestrian team dressage event in the 1948 Games was disqualified the following year and their medals were taken away, when it was learned that one of their member, Gehnall Persson, was not a commissioned officer as the rules then required.
** Finnish gymnast Heikki Savolainen at the age of 40 and making his fourth Olympic appearance at London in 1948, won his first gold on the pommel horse.
** Sweden , who won the 1948 Olympic football gold, scored one of the strangest goals in the history of the sport in their semi-final match against Denmark. Centre-forward Gunnar Nordahl, leapt into the Danish goalnet to avoid being offside during a Swedish attack. At the end of the move his inside-left headed the ball into the goal, where in the absence of the Danish keeper it caught by Nordahl.
** Ralph Craig, the 1912 double spirit champion made a reappearance after 36 years in the 1948 Games when he was a part of the American yachting team. Although he carried the US flag in the opening ceremony, he did not actually compete.
** The Star class of the 1948 yachting event was won by the father/son combination of Paul and Hilary Smart of the US. Interestingly the silver was also won by a father-son combination of Carlos de Cardenas Sr. and Jr. from Cuba.
** Hungarian shooter Karoly Takacs had shattered his right hand - his pistol hand - when a grenade blew up. He taught himself to shot with the left hand to win the gold in the rapid-fire pistol event in the 1948 Games.
** The 1948 Games saw the start of an exceptional Olympic career of Durward Knowles who competed in the yachting events for Britain. He then represented the Bahamas in the next seven Games till the 1988 Seoul Games.