1973
Year 1973 (MCMLXXIII) was a common year starting on Monday (link will display full calendar) of the 1973 Gregorian calendar.
The year 1973 has been designated the Year of the Ox in the Chinese Zodiac.
Events of 1973
January
February
March
April
- April 2 - The LexisNexis computerized legal research service begins.
- April 3 - The first handheld cellular phone call made by Martin Cooper, who conceived the phone, in New York City.
- April 4 - The World Trade Center officially opens in New York City with a ribbon-cutting ceremony.
- April 6
- April 7 - Tu te reconnaîtras by Anne-Marie David (music by Claude Morgan, text by Vline Buggy) wins Eurovision Song Contest 1973 for Luxembourg.
- April 10 - Israeli commandos raid Beirut, assassinating 3 leaders of the Palestinian Resistance Movement. The Lebanese army's inaction brings the immediate resignation of Prime Minister Saib Salam, a Sunni Muslim.
- April 11 - The British House of Commons voted against restoring capital punishment by a margin of 142 votes.
- April 12 - The Labour Party wins control of the Greater London Council.
- April 17
- The German counter-terrorist force GSG 9 is officially formed.
- Federal Express officially begins operations, with the launch of 14 small aircraft from Memphis International Airport. On that night, Federal Express delivers 186 packages to 25 U.S. cities from Rochester, NY, to Miami, Fla.
- April 20 - An Indian Pacific train en route to Perth, derails near Broken Hill, New South Wales. The train destroyed a quarter mile of track when it left the rails.
- April 28 - Six Irishmen, including Joe Cahill, are arrested by the Irish Naval Service off County Waterford on board a coaster carrying five tons of weapons destined for the Provisional Irish Republican Army.
- April 30 - Watergate Scandal: President Richard Nixon announces that top White House aids H.R. Haldeman, John Ehrlichman, and others have resigned.
May
- May 1 - An estimated 1,600,000 workers in the United Kingdom stopped work in support of a Trade Union Congress "day of national protest and stoppage" against the Government's anti-inflation policy.
- May 3 - The Sears Tower in Chicago is finished, becoming the world's tallest building.
- May 5
- May 8 - A 71-day standoff between federal authorities and the American Indian Movement who were occupying the Pine Ridge Reservation at Wounded Knee, South Dakota, ends with the surrender of the militants.
- May 10 - The Polisario Front,a Sahrawi movement dedicated to the independence of Western Sahara, is formed.
- May 14
- May 17 - Watergate scandal: Televised hearings begin in the United States Senate.
- May 18 - Cod War: Joseph Godber, British Minister of Agriculture, Fisheries and Food, announces that Royal Navy frigates will protect British trawlers fishing in the disputed 50-mile limit round Iceland.
- May 19 - Secretariat wins the Preakness Stakes.
- May 20 - Motorcycle racer Jarno Saarinen dies at Monza, Italy.
- May 22 - Lord Lambton resigns from the British government over a 'call girl' scandal.
- May 24 - Earl Jellicoe, Lord Privy Seal and Leader of the House of Lords in Britain, resigned over a separate prostitution scandal.
- May 25 - Skylab 2 (Pete Conrad, Paul Weitz, Joseph Kerwin) is launched on a mission to repair the Skylab space station.
- May 27 - By virtue of the non-retroactivity of Soviet copyright laws, all works published before this date are public domain. This applies worldwide.Confirmation needed
June
- June 1 - The Greek military junta abolishes the monarchy and proclaims a republic.
- June 3 - A Tupolev Tu-144 crashes at the Paris air show; 15 are killed.
- June 4 - A patent for the ATM is granted to Donald Wetzel, Tom Barnes and George Chastain.
- June 9 - Secretariat wins the Belmont Stakes, becoming the first Triple Crown of Thoroughbred Racing winner since 1948.
- June 10 - The grandson of J. Paul Getty is kidnapped in Rome.Confirmation needed
- June 16 - U.S. President Richard Nixon begins several talks with Soviet leader Leonid Brezhnev.
- June 20 - The Ezeiza massacre occurs in Buenos Aires, Argentina. Snipers shoot on left-wing Peronists, killing at least 13 and injuring more than 300.
- June 22 - W. Mark Felt ("Deep Throat") retires from the Federal Bureau of Investigation.
- June 23 - A house fire in Kingston upon Hull, England, which kills a 6-year-old boy is passed off as an accident; it later emerges as the first of 26 fire deaths caused over the next 7 years by arsonist Peter Dinsdale.
- June 24 - Soviet leader Leonid Brezhnev addresses the American people on television, the first to do so.
- June 25
- June 26 - At Plesetsk Cosmodrome, 9 persons are killed in the explosion of a Cosmos 3-M rocket.
- June 28 - Elections are held for the Northern Ireland Assembly, which will lead to power-sharing between unionists and nationalists in Northern Ireland for the first time.
- June 30 - Very long total solar eclipse. During the entire 2nd millennium, only 7 total solar eclipses exceeded 7 minutes of totality.
July
- July 1 - The United States Drug Enforcement Administration is founded.
- July 2 - The United States Congress passes the Education of the Handicapped Act (EHA) mandating Special Education federally.
- July 5
- The Isle of Man Post begins to issue its own postage stamps.
- The catastrophic BLEVE (Boiling Liquid Expanding Vapor Explosion) in Kingman, Arizona, following a fire that broke out as propane was being transferred from a railroad car to a storage tank, kills 11 firefighters. This explosion has become a classic incident, studied in fire department training programs worldwide.
- July 6 - St Andrew's Cathedral, Singapore was gazetted as a national monument.
- July 10 - The Bahamas gains full independence within the Commonwealth of Nations.
- July 11 - Varig Flight 820 disaster near Orly, France - 123 killed.
- July 12 - 1973 National Archives Fire: A major fire destroys the entire 6th floor of the National Personnel Records Center in St. Louis, Missouri.
- July 16 - Watergate Scandal: Former White House aide Alexander Butterfield informs the United States Senate Watergate Committee that President Richard Nixon had secretly recorded potentially incriminating conversations.
- July 17 - King Mohammed Zahir Shah of Afghanistan is deposed by his cousin Mohammed Daoud Khan while in Italy undergoing eye surgery.
- July 20 - France resumes nuclear bomb tests in Mururoa Atoll, over the protests of Australia and New Zealand.
- July 21 - The Philippines receives its second Miss Universe title, with Margarita Moran as the winner.
- July 23 - The Avianca Building in Bogotá, Colombia suffers a serious fire.
- July 25 - The Soviet Mars 5 space probe is launched.
- July 28
- July 29 - Formula One racing driver Roger Williamson dies in an accident, witnessed live on European television, during the 1973 Dutch Grand Prix.
- July 30 - An 11-year legal action for the victims of Thalidomide ends.Confirmation needed
- July 31
- Militant protesters led by Ian Paisley disrupt the first sitting of the Northern Ireland Assembly.
- A Delta Air Lines Flight 173 DC9-31 aircraft lands short of Boston's Logan Airport runway in poor visibility, striking a sea wall about 165 feet (50 m) to the right of the runway centerline and about 3000 feet (914 m) short. All 6 crew members and 83 passengers are killed, 1 of the passengers dying several months after the accident.
August
September
- September 3 - The British Trade Union Congress expelled 20 members for registering under the Industrial Relations Act 1971.
- September 11 - Chile's democratically-elected government is overthrown in a military coup after serious instability. President Salvador Allende commits suicide during the coup in the presidential palace, and General Augusto Pinochet heads a U.S.-backed military junta that will govern Chile for the next 16 years.
- September 15 - Gustav VI Adolf of Sweden dies. His grandson, Carl XVI Gustav, becomes king.
- September 18 - The two German Republics, the Federal Republic of Germany (West Germany) and the German Democratic Republic (East Germany), are admitted to the United Nations.
- September 20 - The Battle of the Sexes: Billie Jean King defeats Bobby Riggs in a televised tennis match, 6-4, 6-4, 6-3, at the Astrodome in Houston, Texas.
- September 22 - Henry Kissinger, United States National Security Advisor, starts his term as United States Secretary of State.
- September 27 - Soviet space programme: Launch of Soyuz 12, the first manned flight since 1971.
- September 28 - ITT is bombed in New York City by Leftist terrorists protesting the restoration of the Chilean Constitution ordered by the Chilean judicial and legislative branches against the Allende administration.
October
- October 6 - Yom Kippur War: The fourth and largest Arab-Israeli conflict begins, as Egyptian and Syrian forces attack Israeli forces in the Sinai Peninsula and Golan Heights on Yom Kippur.
- October 8 - LBC Radio's first broadcast on 97.3 FM
- October 10 - Spiro T. Agnew resigns as Vice President of the United States and then, in federal court in Baltimore, Maryland, pleads no contest to charges of income tax evasion on $29,500 he received in 1967, while he was governor of Maryland. He is fined $10,000 and put on 3 years' probation.
- October 14 - Student Revolt in Bangkok, Thailand
- October 17 - The Arab Oil Embargo against several countries which support Israel triggers the 1973 energy crisis.
- October 20
- October 26
- October 27 - The Canyon City meteorite, a 1.4 kilogram chondrite type meteorite, strikes Earth in Fremont County, Colorado.Confirmation needed
- October 30 - The Bosporus Bridge in Istanbul, Turkey is completed, connecting the continents of Europe and Asia over the Bosporus for the first time in history.
- October 31 - Mountjoy Prison helicopter escape. Three Provisional Irish Republican Army members escaped from Mountjoy Prison, Dublin, Republic of Ireland after a hijacked helicopter landed in the exercise yard.
November
December