- Challenger moves to Vandenberg AFB for mating of STS 51-L mission
John Gotti assumes leadership of New York's Gambino crime family after ordering the executions of Paul Castellano and Thomas Bilotti
- Keita Tachibana, member of Japanese boy band w-inds.
- Paul Castellano, Organized-crime chief, shot dead at a NYC restaurant
- Thomas Bilotti, American mafioso (b. 1940)