These Vintage Photos Prove That Roller Derby Has Always Been Cool

Leo Seltzer's Influence

The term derby, or race event, was first coined as early as 1922 when a newspaper reported on the results of two multi-day "roller derby" events that had been held that year. However, it wasn't until a man named Leo Seltzer came along that the roller derby became a true sport.

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The More You Know

  • J.K. Rowling became the first person to become a billionaire by writing books. However, she also lost her billionaire status because she donated so much money to charity!
  • You make approximately a teaspoon of tears per hour.
  • Commercial flights were allowed to fly any course to their destination and would often detour over points of interest. This ended in 1956 when two planes crashed mid-flight over the Grand Canyon.
  • Before mating, the female giraffe will first urinate in the male's mouth.
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