On this day — June 4

Virginia.

which launches from Cape Canaveral Air Force Station Space Launch Complex 40.

Harghita and Mureș is founded.

It was a Cluster mission.

Ali Khamenei is elected as the new Supreme Leader of Iran after the death and funeral of Ruhollah Khomeini.

with between 241 and 10,000 dead (an unofficial estimate).

the first election since the Communist Polish United Workers' Party abandoned its monopoly of power. It sparks off the Revolutions of 1989 in Eastern Europe.

A natural gas explosion near Ufa, Russia, kills 575 as two trains passing each other throw sparks near a leaky pipeline.

Gorky Oblast, USSR, killing 91 and injuring about 1,500.

North Dakota on February 13, is killed in a shootout in Smithville, Arkansas, along with a local sheriff, after a four-month manhunt.