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

  • You can survive being in outer space without permanent damage for about half a minute.
  • The average person walks the equivalent of five times around the world in their lifetime.
  • During the first 5 months of Pokémon Go, gaming-related accidents increased by 26.5%.
  • A "jiffy" is an actual unit of time.
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