- 1 Events
- 2 Births
- 3 Deaths
- 4 Nobel Prizes
- 5 Templeton Prize
- January 1 - United Kingdom, Ireland, and Denmark enter the European Economic Community, now known as the European Union.
- January 3 - Columbia Broadcasting System (CBS) sells the New York Yankees for $10 million to a 12-person syndicate led by George Steinbrenner.
- January 15 - Vietnam War: Citing progress in peace negotiations, President of the United States Richard Nixon announces the suspension of offensive action in North Vietnam.
- January 17 - Ferdinand Marcos becomes President for Life of the Philippines.
- January 22 - Supreme Court of the United States rules on Roe v. Wade.
- January 22 - George Foreman breaks Joe Frazier's professional career undefeated heavyweight world boxing champion status.
- January 22 - Nigerian Airlines passenger plane from Mecca crashes in Kano, Nigeria - 176 dead
- January 23 - The eruption of Eldfell on the Icelandic island of Heimaey begins.
- January 23 - President Richard Nixon announces that a peace accord has been reached in Vietnam.
- January 25 - Derren Nesbitt convicted of assaulting Anne Aubrey
- January 27 - U.S. involvement in Vietnam War ends with the signing of peace pacts. See Paris Peace Accords.
- February 11 - Vietnam War: First release of American prisoners of war from Vietnam takes place.
- February 12 - Ohio becomes the first U.S. state to post distance in metric on signs. (See: Metric system in the United States)
- February 14 - Ottawa The Yukon Native Brotherhood presets "Together Today for our Children Tomorrow" a historic document that begins the land claims negotiation in the Yukon.
- February 21 - Over the Sinai Desert, Israeli fighter aircraft shoot down a Libyan Arab Airlines jet killing 100.
- February 22 - Sino-American relations: Following President Richard Nixon's visit to mainland China, the United States and the People's Republic of China agree to establish liaison offices.
- February 27 - The American Indian Movement occupies Wounded Knee, South Dakota.
- March 1 - The New York Joffrey Ballet's Deuce Coupe Ballet opens. The ballet is set entirely around music by The Beach Boys.
- March 7 - Comet Kohoutek is discovered.
- March 8 - IRA bombs explode in the Whitehall and the Old Bailey.
- March 16 - Queen Elizabeth II opens the New London Bridge.
- March 29 - The last United States soldiers leave Vietnam.
- March 31 - Paramount's Carowinds opens for the first time.
- April 2 - Launch of LexisNexis computerized legal research service.
- April 4 - World Trade Center officially opens in New York with a ribbon-cutting ceremony.
- April 6 - Launch of Pioneer 11 spacecraft.
- April 17 -German GSG-9 group formed officially
- May 5 - Shambu Tamang becomes the youngest person to climb to the summit of Mount Everest.
- 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 - Polisario formed.
- May 14 - Skylab, the United States' first space station, is launched.
- May 17 - Watergate scandal: Hearings begin in the United States Senate and are televised.
- May 27 - According to the non-retroactive copyright laws of the Union of the Soviet Socialist Republics, all works published before this date are public domain. This applies worldwide.
- June 1 - Greek military junta abolishes the monarchy and proclaims a republic.
- June 3 - Tupolev Tu-144 crashes at the Paris air show - 15 dead.
- June 4 - patent for the ATM granted to Don 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 - Grandson of J. Paul Getty is kidnapped in Rome
- June 22 - William Mark Felt retires from the FBI.
- June 25 - Erskine Hamilton Childers is elected the fourth President of Ireland.
- June 26 - On Plesetsk Cosmodrome 9 persons were killed at an explosion of a Cosmos 3-M rocket.
- June 30 - Very long total solar eclipse visible in NE South America, the Atlantic, and central Africa. During the entire Second Millennium, only seven total solar eclipses exceeded seven minutes of totality. This was the last. Observers aboard a Concorde jet were able to stretch totality to about 74 minutes by flying along the path of the moon's umbra.
- July 1 - US Drug Enforcement Agency founded.
- July 5 - Isle of Man begins to issue its own postage stamps
- July 10 - The Bahamas gain full independence within the British Commonwealth.
- July 12 - A major fire destroys the entire 6th floor of the National Personnel Records Center in St. Louis, Missouri. The disaster comes to be known as the 1973 National Archives Fire.
- July 16 - Watergate Scandal: Former White House aide Alexander Butterfield informs the United States Senate committee investigating the scandal that President Richard Nixon had secretly recorded potentially incriminating conversations.
- July 20 - France resumes nuclear bomb tests in Mururoa Atoll over protestations of Australia and New Zealand.
- July 25 - Soviet Mars 5 space probe launched.
- July 30 - An 11-year legal action for the victims of Thalidomide ends.
- July 31 - Militant protesters of Ian Paisley disrupt the first sitting of the Northern Ireland Assembly
- August 2 - Flash fire kills 51 at the Summerland amusement centre at Douglas, Isle of Man.
- August 5 - Black September members open fire at Athens airport - 3 dead, 55 injured.
- August 8 - 1973 Kidnapping of Kim Dae-Jung
- August 13 - The film of Jesus Christ Superstar is released.
- August 15 - The U.S. bombing of Cambodia ends, marking the official halt to 12 years of combat activity in Southeast Asia.
- August 22 - Henry Kissinger, United States National Security Advisor, is named Secretary of State.
- September 11 - Chile's democratically-elected government is overthrown in a military coup after serious instability. President Salvador Allende dies, and General Augusto Pinochet heads a military junta that will govern Chile for the next 16 years.
- September 15 - Sweden's king Gustav VI Adolf dies. Carl XVI Gustav becomes king.
- September 18 - The two German Republics, the BRD and the DDR, are admitted to the United Nations.
- September 20 - Billed as The Battle of the Sexes, Billie Jean King defeats Bobby Riggs 6-4, 6-4, 6-3.
- September 28 - ITT bombed in New York City to protest their involvement with the Coup in Chile.
- October 6 - Yom Kippur War - Fourth and largest Arab-Israeli conflict begins as Egyptian and Syrian forces attack Israel as Jews mark Yom Kippur.
- October 10 - Spiro T. Agnew resigns as vice president of the United States and then, in federal court in Baltimore, pleads no contest to charges of evasion of income taxes on $29,500 he received in 1967 while he was governor of Maryland. He is fined $10,000 and put on three years' probation.
- October 17 - A worldwide oil shortage, the 1973 energy crisis, followed an Arab Oil Embargo against several countries which gave support to Israel.
- October 20 - The Saturday Night Massacre.
- October 20 - Sydney Opera House is opened by Elizabeth II.
- October 26 - Yom Kippur War ends.
- October 27 - The Canyon City meteorite, a 1.4 kg chondrite type meteorite struck earth in Fremont County, Colorado.
- November 1 - Watergate Scandal: Saturday Night Massacre, acting Attorney General Robert Bork appointed Leon Jaworski as the new Watergate Special Prosecutor.
- November 1 - Fortean Times (a monthly magazine of news, reviews and research on strange phenomena and experiences, curiosities, prodigies and portents) founded to continue the work of Charles Fort.
- November 3 - Mariner program: NASA launches the Mariner 10 toward Mercury (on March 29, 1974 it became the first space probe to reach that planet).
- November 7 - The U.S. Congress overrides President Richard M. Nixon's veto of the War Powers Resolution, which limits presidential power to wage war without congressional approval.
- November 11 - Egypt and Israel sign a United States-sponsored cease-fire accord.
- November 14 - In the United Kingdom, Princess Anne marries a commoner, Captain Mark Phillips, in Westminster Abbey (they divorced in 1992).
- November 16 - Skylab program: NASA launches Skylab 4 with a crew of three astronauts from Cape Canaveral, Florida for an 84-day mission.
- November 16 - US President Richard Nixon signs the Trans-Alaska Pipeline Authorization Act into law, authorizing the construction of the Alaska Pipeline.
- November 17 - Watergate scandal: In Orlando, Florida, US President Richard Nixon tells 400 Associated Press managing editors "I am not a crook."
- November 17 - Student uprising against the military regime in Athens, Greece.
- November 25 - Greek Dictator George Papadopoulos is ousted in military coup led by Lieutenant General Phaidon Gizikis.
- November 27 - The United States Senate votes 92 to 3 to confirm Gerald Ford as Vice President of the United States (on December 6, the House confirmed him 387 to 35).
- December - Chile breaks diplomatic contacts with Sweden.
- December 1 - Papua New Guinea gains self government from Australia.
- December 3 - Pioneer program: Pioneer 10 sends back the first close-up images of Jupiter.
- December 13 - Rael: First encouter by Rael with the Elohim
- December 15 - Gay rights: The American Psychiatric Association removes homosexuality from its DSM-II.
- December 23 - The OPEC doubles the price of crude oil.
- December 30 - Terrorist Carlos fails in his attempt to assassinate British businessman Joseph Sieff.
- December 31 - In the UK, as a result of high coal and oil prices, the Three-Day Week officially comes into force.
- The National House Building Council was formed in the United Kingdom.
- The COSC The Swiss Official Chronometer testing Institute was founded in Switzerland by 5 Watch Cantons & FH, Federation of the Swiss Watch Industry.
- Title Queen of Australia created
- January 1 - Danny Lloyd, American actor
- January 8 - Sean Paul, Jamaican singer
- January 11 - Rahul Dravid, Indian cricketer
- January 13 - Nikolai Khabibulin, Russian hockey player
- January 14 - Giancarlo Fisichella, Italian race car driver
- January 15 - Tomás Galásek, Czech football player
- January 17 - Cuauhtémoc Blanco, Mexican football player
- January 18 - Crispian Mills, British musician (The Jeevas and Kula Shaker)
- January 19 - Karen Lancaume, French actress (d. 2005)
- January 29 - Jason Schmidt, baseball player
- February 4 - Oscar De La Hoya, American boxer
- February 11 - Varg Vikernes, Norwegian musician (Burzum)
- February 14 - Steve McNair, American football player
- February 16 - Cathy Freeman, Australian athlete
- February 17 - Amy Van Dyken, American swimmer
- February 22 - Shota Arveladze, Georgian football player
- February 24 - Jordan Jovtchev, Bulgarian gymnast
- February 26 - Marshall Faulk, American football player
- February 26 - Jenny Thompson, American swimmer
- February 28 - Eric Lindros, Canadian hockey player
- March 1 - Ryan Peake, Canadian guitarist (Nickelback)
- March 9 - Aaron Boone, baseball player
- March 13 - Edgar Davids, Dutch football player
- March 17 - Caroline Corr, Irish musician (The Corrs)
- March 23 - Jason Kidd, American basketball player
- March 29 - Marc Overmars, Dutch football player
- April 4 - David Blaine, American magician
- April 5 - Pharrell Williams, American musician and producer (The Neptunes)
- April 6 - Rie Miyazawa, Japanese Actress
- April 8 - Bobby Ologun, Nigerian television performer and martial artist
- April 10 - Roberto Carlos, Brazilian football player
- April 24 - Sachin Tendulkar, Indian cricketer
- April 28 - Elisabeth Röhm, American actress
- May 1 - Oliver Neuville, German football player
- May 3 - Michael Reiziger, Dutch football player
- May 10 - Dario Franchitti, Scottish race car driver
- May 14 - Natalie Appleton, Canadian singer (All Saints)
- May 16 - Tori Spelling, American actress
- May 30 - Leigh Francis, British comedian
- May 31 - Dominique van Roost, Belgian tennis player
- June 1 - Fred Deburghgraeve, Belgian swimmer
- June 1 - Heidi Klum, German model
- June 1 - Derek Lowe, baseball player
- June 8 - Lexa Doig, Canadian actress
- June 9 - Tedy Bruschi, American football player
- June 9 - Iain Lee, British comedian and radio and television presenter
- June 10 - Faith Evans, American singer
- June 12 - Darryl White, Australian footballer
- June 13 - Sam Adams, American football player
- June 22 - Carson Daly, American talk show host
- June 26 - Gretchen Wilson, American singer
- June 28 - Adrian Annus, Hungarian athlete
- June 30 - Chan Ho Park, Korean Major League Baseball player
- July 4 - Gackt, Japanese singer
- July 9 - Kelly Holcomb, American football player
- July 11 - Konstantinos Kenteris, Greek athlete
- July 15 - John Dolmayan, Lebanese-born drummer (System of a Down)
- July 17 - Eric Moulds, American football player
- July 20 - Peter Forsberg, Swedish hockey player
- July 20 - Haakon Magnus, Crown Prince of Norway
- July 23 - Nomar Garciaparra, baseball star
- July 23 - Fran Healy, English singer (Travis)
- July 23 - Monica Lewinsky, White House intern
- July 26 - Kate Beckinsale, English actress
- August 1 - Tempestt Bledsoe, American actress
- August 6 - Asia Carrera, American actress
- August 8 - Scott Stapp, American singer (Creed)
- August 12 - Richard Reid, English terrorist
- August 14 - Kieren Perkins, Australian swimmer
- August 19 - Mette-Marit Tjessem-Høiby, Crown Princess of Norway
- August 20 - Todd Helton, baseball player
- August 24 - Inge de Bruijn, Dutch swimmer
- September 4 - Jason David Frank, American actor
- September 12 - Darren Campbell, British athlete
- September 14 - Nas, American rapper
- September 18 - Mark Shuttleworth, South African entrepreneur
- September 19 - José Azevedo, Portuguese cyclist
- September 22 - Craig McRae, Australian footballer
- October 3 - Neve Campbell, Canadian actress
- October 10 - Mario López, American actor
- October 22 - Ichiro Suzuki, Japanese baseball player
- October 24 - Levi Leipheimer, American professional cyclist
- October 26 - Seth MacFarlane, American voice actor
- October 29 - Gabrielle Union, American actress
- October 30 - Silvia Corzo, Colombian newsreader
- November 1 - Aishwarya Rai, Indian actress
- November 5 - Johnny Damon, baseball player
- November 12 - Martin M. Weiss, American author
- November 14 - Lawyer Milloy, American football player
- November 14 - Dana Snyder, American voice actor
- November 28 - Jade Puget, American guitarist (AFI)
- November 29 - Ryan Giggs, Welsh footballer
- November 29 - Raphael Smith, South African screenwriter and songwriter
- December 2 - Monica Seles, Yugoslavian-born tennis player
- December 3 - Holly Marie Combs, American actress
- December 7 - Terrell Owens, American football star
- December 15 - Surya Bonaly, French figure skater
- December 14 - Thuy Trang, Vietnamese-born actress (d. 2001)
- December 17 - Paula Radcliffe, British athlete
- December 29 - Theo Epstein, baseball general manager
- December 30 - Ato Boldon, West Indian athlete
- January 22 - Lyndon Johnson, President of the United States (b. 1908)
- January 23 - Kid Ory, American musician (b. 1886)
- January 24 - J. Carrol Naish, American actor (b. 1897)
- January 26 - Edward G. Robinson, American actor (b. 1893)
- January 31 - Ragnar Anton Kittil Frisch, Norwegian economist, Nobel Prize laureate (b. 1895)
- February 11 - Hans D Jensen, German physicist, Nobel Prize laureate (b. 1907)
- February 15 - Wally Cox, American actor (b. 1924)
- February 19 - Joseph Szigeti, Hungarian violinist (b. 1892)
- March 6 - Pearl S. Buck, American writer, Nobel Prize laureate (b. 1892)
- March 8 - Ron Pigpen McKernan, American musician (Grateful Dead) (b. 1945)
- March 14 - Rafael Godoy, Colombian composer (b. 1907)
- March 14 - Chic Young, American cartoonist (b. 1901)
- March 26 - Noel Coward, English composer and playwright (b. 1899)
- April 8 - Pablo Picasso, Spanish artist (b. 1881)
- April 16 - Istvan Kertesz, Hungarian conductor (b. 1929)
- April 19 - Hans Kelsen, Austrian-born legal theorist (b. 1881)
- April 21 - Arthur Fadden, thirteenth Prime Minister of Australia (b. 1894)
- April 26 - Irene Ryan, American actress (b. 1902)
- May 2 - Alan Carney, American actor and comedian (b. 1909)
- May 11 - Lex Barker, American actor (b. 1919)
- May 14 - Jean Gebser, German author, linguist, and poet (b. 1905)
- May 18 - Jeannette Rankin, first U.S. Congresswoman (b. 1880)
- June 18 - Roger Delgado, English actor (b. 1918)
- July 6 - Otto Klemperer, German-born conductor (b. 1885)
- July 7 - Veronica Lake, American actress (b. 1922)
- July 8 - Wilfred Rhodes, English cricketer (b. 1877)
- July 20 - Bruce Lee, American martial artist and actor (b. 1940)
- July 29 - Roger Williamson, British race car driver (b. 1948)
- August 1 - Gian Francesco Malipiero, Italian composer (b. 1882)
- August 11 - Karl Ziegler, German chemist, Nobel Prize laureate (b. 1898)
- August 17 - Conrad Aiken, American writer (b. 1889)
- August 17 - Jean Barraqué, French composer (b. 1928)
- September 2 - J. R. R. Tolkien, British writer (b. 1892)
- September 11 - Salvador Allende, President of Chile (b. 1908)
- September 19 - Gram Parsons, American musician (b. 1946)
- September 23 - Pablo Neruda, Chilean poet, Nobel Prize laureate (b. 1904)
- September 29 - W. H. Auden, English poet (b. 1907)
- October 2 - Paavo Nurmi, Finnish runner (b. 1897)
- October 17 - Ingeborg Bachmann, Austrian writer (b. 1926)
- October 22 - Pablo Casals, Catalan cellist and conductor (b. 1876)
- November 11 - David "Stringbean" Akeman, American banjo player (b. 1915)
- November 11 - Artturi Ilmari Virtanen, Finnish chemist, Nobel Prize laureate (b. 1895)
- November 27 - Frank Christian, American musician (b. 1887)
- December 1 - David Ben-Gurion, Prime Minister of Israel (b. 1886)
- December 3 - Emile Christian, American musician (b. 1895)
- December 20 - Bobby Darin, American singer (b. 1936)
- December 20 - Luis Carrero Blanco, first minister of Spain (assassinated) (b. 1907)
- December 25 - Gabriel Voisin, French aviation pioneer (b. 1880)
- December 26 - Harold B. Lee, president of The Church of Jesus Christ of Latter-day Saints (b. 1899)
- Physics - Leo Esaki, Ivar Giaever, Brian David Josephson
- Chemistry - Ernst Otto Fischer, Geoffrey Wilkinson
- Medicine - Karl von Frisch, Konrad Lorenz, Nikolaas Tinbergen
- Literature - Patrick White
- Peace - Henry A. Kissinger, Le Duc Tho
- Economics - Wassily Leontief
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