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In page 1968 Summer Olympics:

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  • Debbie Meyer became the first swimmer to win three individual gold medals, in the 200, 400 and 800 m freestyle events. The 800 m was a new long-distance event for women. Meyer was only 16 years old, a student at Rio Americano High School in Sacramento, California. Meyer was the first of several American teenagers to win the 800 m, with Katie Ledecky being her notable successor.
  • American swimmer Charlie Hickcox won three gold medals (200 m IM, 400 m IM, 4 × 100 m medley relay) and one silver medal (100 m backstroke).[11][citation needed]
  • The introduction of doping tests resulted in the first disqualification because of doping: Swedish pentathlete Hans-Gunnar Liljenwall was disqualified for alcohol use (he drank several beers just prior to competing).[12]