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Danica Patrick, right, stands under an umbrella with Tony Stewart, left, during a rain delay in the start of the NASCAR Daytona 500 Sprint Cup series auto race in Daytona Beach, Fla., Sunday, Feb. 26, 2012. (AP Photo/Rainier Ehrhardt)

Daytona 500 postponed for first time

January 1, 1970

The Daytona 500 has been postponed for the first time in its 54-year history.