On This Day — June 4
Notable events, births, and deaths from history on this date. Data from Wikimedia.
The first flight of Ariane 5 explodes after roughly 37 seconds. It was a Cluster mission.
1996
In the 1989 Iranian supreme leader election, Ali Khamenei is elected as the new Supreme Leader of Iran after the death and funeral of Ruhollah Khomeini.
1989

The 1989 Tiananmen Square protests are suppressed in Beijing by the People's Liberation Army, with between 241 and 10,000 dead (an unofficial estimate).
1989