A stuntman dressed as Spider-Man scales all 110 stories of the Sears Tower - May 25th, 1981

This Day in History Class - A podcast by iHeartPodcasts and HowStuffWorks

On this day in 1981, a 25-year-old acrobat named Dan Goodwin completed the first external climb of the Sears Tower, the tallest building in the world at the time.

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