![](https://cdn.statically.io/img/nypost.com/wp-content/uploads/sites/2/2017/08/170814-remembering-nyc-blackout-08.jpg)
Pedestrians and traffic leaving downtown Manhattan cross the Queensboro Bridge after the onset of the largest power blackout in American history on Aug. 14, 2003. More than 50 million people were affected by the outage, in Toronto, Detroit, Cleveland and New York City.
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