King George VI officially opened the 11th modern-day Olympic Games at the Wembley Arena in London, UK.
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The first Winter Olympics medal was awarded to American Skater Charles Jewtraw after skating 5,000 meters in just 44 seconds.
American swimmer Michael Phelps became the first person to win eight gold medals at one Olympic Games.
The world's first Winter Olympics took place in Chamonix, France.
Platform diver Tom Daley won his first Olympic gold medal in men's synchronized diving, 13 years after his first Olympic games.
Australian swimmer Kyle Chalmers won the 100-meter freestyle gold medal in the Rio de Janeiro Olympics.