- Challenger moves to Vehicle Assembly Building at Kennedy Space Center (Florida) 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, American organized-crime chief, shot dead at a NYC restaurant at 70
- Thomas Bilotti, American mafioso (b. 1940)