- Denver Nuggets beat Jugoplastika Split 135-129 in 3rd McDonald Open
Over-competitive McLaren team mates Alain Prost & Ayrton Senna famously collide and skid into an escape road during Japanese Grand Prix at Suzuka; Prost retires from race and claims 3rd Formula 1 World Drivers Championship
- Red Khmer occupies Pailin in Cambodia
- Ewan MacColl [James Miller], Scottish folk singer-songwriter (The First Time Ever I Saw Your Face), dies at 74
- Jacob Wetterling, American kidnapping victim, is kidnapped, assaulted and murdered at 11 by Danny Heinrich. His abduction and murder would remain a mystery for 30 years.
- Roland Winters [Winternitz], American actor (Mama, Smothers Brothers, Jet Pilot, Meet Millie), dies at 84
- Tony Manero, American golfer (US Open 1936), dies at 84