On Sept. 19, 1957, the United States conducted its first contained underground nuclear test in the Nevada desert.

In 1979, The No Nukes concert was held at New York’s Madison Square Garden. Performers included Stephen Stills, David Crosby, Jackson Browne, Bonnie Raitt, The Doobie Brothers, Poco, Tom Petty, Carly Simon, James Taylor and Bruce Springsteen.

In 1981, Simon And Garfunkel reunited for a concert in New York’s Central Park. Over 400,000 fans attend the show. The performance was recorded for a record and video release.1981 – The Rolling Stones

In 1985, the Mexico City area was struck by an earthquake that killed at least 9,500 people.

In 1986, federal health officials announced that the experimental drug AZT would be made available to thousands of AIDS patients.

In 1995, The New York Times and Washington Post published the manifesto of Unabomber Ted Kaczynski, which proved instrumental in identifying him.

In 2004, Hu Jintao became the leader of China with the departure of former President Jiang Zemin from his top military post.

In 2008, the Bush administration laid out a bailout plan calling for a takeover of a half-trillion dollars in mortgages and debt held by tottering institutions.