Jamaica's Usain Bolt celebrates winning the men's 200m final at the 'Bird's Nest' National Stadium during the 2008 Beijing Olympic Games on August 20, 2008. Bolt became the first man in 24 years to claim the Olympic sprint double when he won the 200m in a new world record time of 19.30 seconds. (Getty Images)
David Wallechinsky: President of the International Society of Olympic Historians, NBC Olympics commentator and author of "The Complete Book of the Summer Olympics" and "The Complete Book of the Winter Olympics."
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With the 2012 London Olympics fast approaching, it's time to look back at the most memorable moments in the history of the games.
From victories as recent as Usain Bolt's 2008 world record domination to Nadia Comaneci's 1976 display of a perfect gymnastics performance and Jesse Owens' famous 1936 win against Nazi Germany, the bar has been set high for 2012 athletes.
David Wallechinsky, president of the International Society of Olympic Historians, joins us Friday on The Daily Circuit to look back at the most memorable Olympic moments.
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