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These events happened in the 1990s:

Events

Real life

The Big Bang Theory

  • 1991: Sheldon starts college at age 11
  • 1994: Sheldon graduates from college at age 14
  • 1994: Sheldon's father dies
  • 1995: Sheldon attends Comic-Con to meet Wil Wheaton; when Wil doesn't show up, this fuels Sheldon's longtime hatred for him.
  • 1996: Sheldon receives his doctorate.
  • 1997-1998: Penny rebuilds a tractor engine all by herself at age 12
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