Agents with the U.S. Immigration and Customs Enforcement raid a slaughterhouse in Tennessee, detaining nearly 100 undocumented Hispanic workers in one of the largest workplace raids in the history of the United States.
Up to 50 people are killed and another 100 injured in two militant suicide bombings and attacks in Khyber Pakhtunkhwa province of Pakistan: the first on an Awami National Party rally in Timergara; the second on the U.S. Consulate in Peshawar.
Twenty-nine coal miners are killed in an explosion at the Upper Big Branch Mine in West Virginia.
Space Shuttle Discovery is launched on STS-131 to resupply the International Space Station.
North Korea launches its controversial Kwangmyŏngsŏng-2 satellite. The satellite passed over mainland Japan, which prompted an immediate reaction from the United Nations Security Council, as well as participating states of Six-party talks.
The cruise ship MS Sea Diamond strikes a volcanic reef near Nea Kameni and sinks the next day. Two passengers were never recovered and are presumed dead.
Two Libyans suspected of bringing down Pan Am Flight 103 in 1988 are handed over for eventual trial in the Netherlands.
In Japan, the Akashi Kaikyō Bridge opens to traffic, becoming the longest bridge span in the world.
Alberto Fujimori, president of Peru, dissolves the Peruvian congress by military force.
Peace protesters Suada Dilberovic and Olga Sučić are killed on the Vrbanja Bridge in Sarajevo, becoming the first casualties of the Bosnian War.
An ASA EMB 120 crashes in Brunswick, Georgia, killing all 23 aboard including Sen. John Tower and astronaut Sonny Carter.
The Space shuttle Atlantis launches on STS-37 to deploy the Compton Gamma Ray Observatory.
The People's Armed Police is officially founded
The US Supreme Court rules that congressional legislation that diminished the size of the Sioux people's reservation thereby destroyed the tribe's jurisdictional authority over the area in Rosebud Sioux Tribe v. Kneip.
In China, the April Fifth Movement leads to the Tiananmen Incident.
Carrie, the first novel by American author Stephen King, is published for the first time with a print run of 30,000 copies.
In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike.
During the Buddhist Uprising, South Vietnamese Prime Minister Nguyễn Cao Kỳ personally attempts to lead the capture of the restive city of Đà Nẵng before backing down.
Ripple Rock, an underwater threat to navigation in the Seymour Narrows in Canada is destroyed in one of the largest non-nuclear controlled explosions of the time.
Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.