The British government bans landmines:
The move came after the public pressurized the parliament to pass the Landmines Act.

Thai Airways International Flight 311 crashes while approaching Tribhuvan International Airport in Kathmandu, Nepal:
All 113 people onboard were killed in the crash.

US and USSR sign Strategic Arms Reduction Treaty:
The treaty, also known as START I, limited the number of nuclear weapons and missiles the signatories could deploy.