Historical timeline for April 3

YouTube headquarters shooting: A 38-year-old gunwoman opens fire at YouTube Headquarters in San Bruno, California, injuring three people before committing suicide.

A bomb explodes in the St Petersburg metro system, killing 14 and injuring several more people.

The Panama Papers, a leak of legal documents, reveals information on 214,488 offshore companies.

More than 50 people die in floods resulting from record-breaking rainfall in La Plata and Buenos Aires, Argentina.

Apple Inc. released the first generation iPad, a tablet computer.

Jiverly Antares Wong opens fire at the American Civic Association immigration center in Binghamton, New York, killing thirteen and wounding four before committing suicide.

ATA Airlines, once one of the ten largest U.S. passenger airlines and largest charter airline, files for bankruptcy for the second time in five years and ceases all operations.

Texas law enforcement cordons off the FLDS's YFZ Ranch. Eventually 533 women and children will be taken into state custody.

Conventional-Train World Speed Record: A French TGV train on the LGV Est high speed line sets an official new world speed record of 574.8 km/h (159.6 m/s, 357.2 mph).

Islamic terrorists involved in the 2004 Madrid train bombings are trapped by the police in their apartment and kill themselves.

United States v. Microsoft Corp.: Microsoft is ruled to have violated United States antitrust law by keeping "an oppressive thumb" on its competitors.

The Thalit massacre begins in Algeria; all but one of the 53 inhabitants of Thalit are killed by guerrillas.

Suspected "Unabomber" Theodore Kaczynski is captured at his Montana cabin in the United States.

A United States Air Force Boeing T-43 crashes near Dubrovnik Airport in Croatia, killing 35, including Secretary of Commerce Ron Brown.

The outcome of the Grand National horse race is declared void for the first (and only) time.

The US Supreme Court upholds the jurisdictional rights of tribal courts under the Indian Child Welfare Act of 1978 in Mississippi Choctaw Band v. Holyfield.

The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco.

US Congress restores a federal trust relationship with the 501 members of the Shivwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.

Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default.

Vietnam War: Operation Babylift, a mass evacuation of children in the closing stages of the war begins.