WHAT HAPPENED ON 3. APRIL
Want to find out what all happened on 3. April

The American Civil Liberties Union announces it will defend Allen Ginsberg's book Howl against obscenity charges. (3. April 1955)

Hudsonville-Standale Tornado: The western half of the Lower Peninsula of Michigan is struck by a deadly F5 tornado. (3. April 1956)

The Leadbeater's Possum is rediscovered in Australia after 72 years. (3. April 1961)

Martin Luther King, Jr. delivers his "I've Been to the Mountaintop" speech. (3. April 1968)

Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort. (3. April 1969)

Martin Cooper of Motorola makes the first handheld mobile phone call to Joel S. Engel of Bell Labs, though it took ten years for the DynaTAC 8000X to become the first such phone to be commercially released. (3. April 1973)

The Super Outbreak occurs, the second biggest tornado outbreak in recorded history (after the April 25–28, 2011 tornado outbreak). The death toll is 315, with nearly 5,500 injured. (3. April 1974)

Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default. (3. April 1975)

The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco. (3. April 1981)

Suspected "Unabomber" Theodore Kaczynski is captured at his cabin in Montana, United States. (3. April 1996)

A United States Air Force airplane carrying United States Secretary of Commerce Ron Brown crashes in Croatia, killing all 35 on board. (3. April 1996)

The Thalit massacre begins in Algeria; all but 1 of the 53 inhabitants of Thalit are killed by guerrillas. (3. April 1997)

United States v. Microsoft: Microsoft is ruled to have violated United States antitrust laws by keeping "an oppressive thumb" on its competitors. (3. April 2000)

Islamic terrorists involved in the 11 March 2004 Madrid attacks are trapped by the police in their apartment and kill themselves. (3. April 2004)

Conventional-Train World Speed Record: a French TGV train on the LGV Est high speed line sets an official new world speed record. (3. April 2007)

ATA Airlines, once one of the 10 largest U.S. passenger airlines and largest charter airline, files for bankruptcy for the second time in 5 years and ceases all operations. (3. April 2008)

Texas law enforcement cordons off the FLDS's YFZ Ranch. Eventually 533 women and children will be removed and taken into state custody. (3. April 2008)

More than 50 people die in floods resulting from record-breaking rainfall in La Plata and Buenos Aires, Argentina. (3. April 2013)