April 3 events in history

686 Maya king Yuknoom Yich'aak K'ahk' assumes the crown of Calakmul
1043 Edward the Confessor is crowned King of England
1077 The first Parliament of Friuli is created
1559 The Peace of Cateau-Cambrésis treaty is signed, ending the Italian Wars
1834 The generals in the Greek War of Independence stand trial for treason
1860 The first successful United States Pony Express run from Saint Joseph, Missouri, to Sacramento, California, begins
1865 American Civil War: Union forces capture Richmond, Virginia, the capital of the Confederate States of America
1882 American Old West: Jesse James is killed by Robert Ford
1885 Gottlieb Daimler is granted a German patent for his engine design
1888 The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs
1895 The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality
1922 Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union
1929 RMS Queen Mary is ordered from John Brown & Company Shipbuilding and Engineering by Cunard Line
1933 First flight over Mount Everest, a British expedition, led by the Marquis of Clydesdale, and funded by Lucy, Lady Houston
1936 Bruno Richard Hauptmann is executed for the kidnapping and death of Charles Augustus Lindbergh, Jr., the baby son of pilot Charles Lindbergh
1942 World War II: Japanese forces begin an assault on the United States and Filipino troops on the Bataan Peninsula
1946 Japanese Lt. General Masaharu Homma is executed in the Philippines for leading the Bataan Death March
1948 President Harry S. Truman signs the Marshall Plan, authorizing $5 billion in aid for 16 countries
1948 In Jeju, South Korea, a civil-war-like period of violence and human rights abuses begins, known as the Jeju massacre
1955 The American Civil Liberties Union announces it will defend Allen Ginsberg's book Howl against obscenity charges
1956 Hudsonville-Standale Tornado: The western half of the Lower Peninsula of Michigan is struck by a deadly F5 tornado
1961 The Leadbeater's Possum is rediscovered in Australia after 72 years
1968 Martin Luther King, Jr. delivers his "I've Been to the Mountaintop" speech
1969 Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort
1973 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
1974 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
1975 Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default
1981 The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco
1996 Suspected "Unabomber" Theodore Kaczynski is captured at his cabin in Montana, United States
1996 A United States Air Force airplane carrying United States Secretary of Commerce Ron Brown crashes in Croatia, killing all 35 on board
1997 The Thalit massacre begins in Algeria; all but one of the 53 inhabitants of Thalit are killed by guerrillas
2000 United States v. Microsoft: Microsoft is ruled to have violated United States antitrust laws by keeping "an oppressive thumb" on its competitors
2004 Islamic terrorists involved in the 11 March 2004 Madrid attacks are trapped by the police in their apartment and kill themselves
2007 Conventional-Train World Speed Record: a French TGV train on the LGV Est high speed line sets an official new world speed record
2008 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
2008 Texas law enforcement cordons off the FLDS's YFZ Ranch. Eventually 533 women and children will be removed and taken into state custody
2009 Jiverly Antares Wong opens fire at an American Civic Association immigration center in Binghamton, NY, killing thirteen and wounding four before committing suicide
2013 More than 50 people die in floods resulting from record-breaking rainfall in La Plata and Buenos Aires, Argentina