Unix Timestamp: 644025600
Wednesday, May 30. 1990, 12:00:00 AM UTC

Namibia recognizes the Sahrawi Arab Democratic Republic (SADR).

Members of the Provisional Irish Republican Army shoot and kill Major Michael Dillon-Lee and Private William Robert Davies of the British Army. Dillon-Lee is killed outside his home in Dortmund, Germany and Davies is killed at a railway station in Lichfield, England.

The Lower Ohio Valley tornado outbreak spawns 88 confirmed tornadoes in Illinois, Indiana, Kentucky, and Ohio, killing 12 37 tornadoes occur in Indiana, eclipsing the previous record of 21 during the Super Outbreak of April 1974.

Cold War: U.S. President George H. W. Bush and Soviet Union leader Mikhail Gorbachev sign a treaty to end chemical weapon production and begin destroying their respective stocks.

George H. W. Bush and Mikhail Gorbachev begin a four-day summit meeting in Washington, D.C.