WHAT HAPPENED ON 12. APRIL
Want to find out what all happened on 12. April

The U.S. Auto-Lite Strike begins, culminating in a five-day melee between Ohio National Guard troops and 6,000 strikers and picketers. (12. April 1934)

First flight of the Bristol Blenheim. (12. April 1935)

Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England. (12. April 1937)

U.S. President Franklin D. Roosevelt dies while in office; vice-president Harry Truman is sworn in as the 33rd President. (12. April 1945)

The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. (12. April 1955)

The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, in Vostok 3KA-2 (Vostok 1). (12. April 1961)

The Soviet nuclear-powered submarine K-33 collides with the Finnish merchant vessel M/S Finnclipper in the Danish straits. (12. April 1963)

Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board. (12. April 1970)

Samuel Doe takes control of Liberia in a coup d'état, ending over 130 years of minority Americo-Liberian rule over the country. (12. April 1980)

Terry Fox begins his "Marathon of Hope" at St. John's, Newfoundland. (12. April 1980)

The first launch of a Space Shuttle (Columbia) takes place - the STS-1 mission. (12. April 1981)

Jim Gary's "Twentieth Century Dinosaurs" exhibition opens at the Smithsonian Institution National Museum of Natural History in Washington, D.C. (12. April 1990)

The Euro Disney Resort officially opens with its theme park Euro Disneyland. The resort and its park's name are subsequently changed to Disneyland Paris. (12. April 1992)

Canter & Siegel post the first commercial mass Usenet spam. (12. April 1994)

An earthquake in Slovenia, measuring 5.6 on the Richter scale occurs near the town of Bovec. (12. April 1998)

US President Bill Clinton is cited for contempt of court for giving "intentionally false statements" in a sexual harassment civil lawsuit. (12. April 1999)

A female suicide bomber blows herself up at the entrance to Jerusalem's Mahane Yehuda open-air market, killing 7 and wounding 104. (12. April 2002)

A suicide bomber penetrates the Green Zone and detonates in a cafeteria within a parliament building, killing Iraqi MP Mohammed Awad and wounding more than twenty other people. (12. April 2007)

Zimbabwe officially abandons the Zimbabwe Dollar as its official currency. (12. April 2009)

A train derails near Merano, Italy, after running into a landslide, causing nine deaths and injuring 28 people. (12. April 2010)