1st » The Montreal Protocol Protocol on Substances That Deplete the Ozone Layer comes into force.
4th » Gulf of Sidra incident (1989) Second Gulf of Sidra incident: a pair of Libyan Mikoyan-Gurevich MiG-23 MiG-23 "Floggers" are shot down by a pair of United States Navy US Navy Grumman F-14 Tomcat F-14 Tomcats during an air-to-air confrontation.
7th » Prince Akihito is sworn in as the emperor of Japan after the death of his father Hirohito
8th » Kegworth air disaster: British Midland International or British Midland Flight 92, a Boeing 737 Classic e.g Boeing 737-400, crashes into the M1 motorway, killing 47 of the 126 people on board.
8th » Beginning of Japanese Heisei period.
29th » Hungary–South Korea relations called Hungary establishes diplomatic relations with South Korea, making it the first Eastern Bloc nation to do so
30th » The American embassy in Kabul, Afghanistan closes.