These Vintage Photos Prove That Roller Derby Has Always Been Cool

Building the Industry

Seltzer began to hold his own dance marathons, dubbed "walkathons" due to the fact that contestants would usually just shuffle around for the duration of the contests. Seltzer's walkathons could last as long as 40 days with hundreds of unemployed contestants hoping to win cash prizes.

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The More You Know

  • A single lightning bolt has enough energy to toast 100,000 slices of bread.
  • Researchers have found that swearing when in pain may release pain-killing endorphins.
  • You can major in wine at Cornell University.
  • Following the release of Rocky IV, a joke was making rounds in Hollywood. Since Rocky had run out of opponents, he would have to fight an alien if a fifth movie was made. Jim and John Thomas took the joke seriously and wrote a screenplay based on it, which later became the movie "Predator".
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