These Vintage Photos Prove That Roller Derby Has Always Been Cool

Gameplay

Roller derby consists of a series of short scrimmages, or jams, in which both teams designate a jammer with a star on their helmet and four blockers who skate counterclockwise around the track. The opposing team attempts to stop the opposing jammer while assisting their own jammer, essentially playing both defense and offense at the same time.

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The More You Know

  • Mattel once tried to sue Aqua over their song "Barbie Girl". The judge literally told them to "chill".
  • Nintendo was founded in 1889. Before it sold video games, the Japanese company specialized in playing cards.
  • A "jiffy" is an actual unit of time.
  • There's a Russian village where every resident is a tightrope walker.
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