1990 is a common year starting on Monday (click link for calendar).
1987 1988 1989 - 1990 - 1991 1992 1993
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- January 3 - Former leader of Panama Manuel Noriega surrenders to American forces.
- January 7 - The Leaning Tower of Pisa is closed to the public due to safety concerns.
- January 9 - Lt Gen Bazilio Olara Okello The man who led the coup aginst Dr Apolo Milton Obote's government dies in Ormduruman Hospital in Khartoum, Sudan.
- January 10 - Time Warner is formed from the merger of Time Inc. and Warner Communications Inc.
- January 11 - Massive (200,000) demonstration in favor of Lithuanian independence.
- January 13 - Douglas Wilder becomes the first elected African American governor as he takes office in Richmond, Virginia.
- January 15 - Thousands storm the Stasi HQ in Berlin in an attempt to view their records
- January 18:
- January 22 - Robert Tappan Morris, Jr. is convicted of releasing the 1988 Internet worm.
- January 25 - Avianca Flight 52 crashed into Cove Neck, Long Island, after a miscommunication between the flight crew and JFK airport officials.
- January 25 - The Berlin Wall starts to come down
- January 29 - The trial of the former skipper of the Exxon Valdez, Joseph Hazelwood, begins in Anchorage, Alaska. He is accused of negligence that resulted in America's worst oil spill.
- January 31 - The first McDonald's opens in Moscow, Russia.
- February 2 - Apartheid: In South Africa President F.W. de Klerk allows the African National Congress to legally function again and promises to set Nelson Mandela free.
- February 7 - Collapse of the Soviet Union: The Central Committee of the Soviet Communist Party agrees to give up its monopoly of power
- February 10 - South African President F.W. de Klerk announces that Nelson Mandela would be released the next day.
- February 11 - James "Buster" Douglas KOs Mike Tyson to win world heavyweight boxing crown.
- February 11 - Nelson Mandela is released from Victor Verster prison, near Cape Town, South Africa
- February 12 - Super Mario Bros. 3 is released on the Nintendo Entertainment System console and sold over 6 million copies worldwide. It is known as the best selling video game in history.
- February 13 - German reunification: An agreement is reached for a two-stage plan to reunite Germany
- February 15 - The United Kingdom and Argentina restore diplomatic links after 8 years. The UK had broken off links in response to Argentina's invasion of the Falkland Islands, a British Dependent Territory
- February 26 - The Sandinistas are defeated in Nicaraguan elections
- February 27 - Exxon Valdez oil spill: Exxon and its shipping company are indicted on five criminal counts.
- March 1 - A fire at the Sheraton Hotel in Cairo kills 16.
- March 1 - Steve Jackson Games is raided by the U.S. Secret Service, prompting the later formation of the EFF.
- March 1 � Royal New Zealand Navy discontinues the daily rum ration
- March 9 - Police seals off Brixton South London after another night of protests against the poll tax
- March 9 - Dr. Antonia Novello is sworn in as Surgeon General of the United States, becoming the first female and Hispanic to serve in that position
- March 9 - Newfoundland and Labrador Premier Clyde Wells confirms he will rescind Newfoundland's approval of the Meech Lake Accord, effectively killing the Accord
- March 10 - 18 months after seizing power in a coup, Prosper Avril is ousted in Haiti
- March 11 - Lithuania becomes independent from the Soviet Union
- March 11 - Patricio Aylwin is sworn-in as the first democratically-elected Chilean president since 1973
- March 15 - Gulf War: Iraqis hang British journalist Farzad Bazoft for spying. Daphne Parish, a British nurse, is sentenced to 15 years' imprisonment as an accomplice
- March 15 - Mikhail Gorbachev is elected as the first executive president of the Soviet Union
- March 15 - The Soviet Union announces that Lithuania's declaration of independence is invalid
- March 18 - 12 paintings, collectively worth $100 million, are stolen by two thieves posing as police officers from the Isabella Stewart Gardner Museum in Boston, Massachusetts. This is the largest art theft in US history and the paintings (as of 2003) have not been recovered
- March 18 - East Germany holds first free elections since 1932
- March 20 - Ferdinand Marcos's widow, Imelda Marcos, goes on trial for bribery, embezzlement, and racketeering
- March 21 - After 75 years of South African rule Namibia becomes independent
- March 21 - A massive poll tax demonstration in Trafalgar Square, London turns into a riot. 417 people injured, 341 arrested
- March 25 - In New York City, a fire at an illegal social club called "Happy Land" kills 87
- March 27 - Propaganda: The United States begins broadcasting TV Marti to Cuba
- March 27 - Namibia becomes a state independent of South Africa
- March 28 - President George H. W. Bush presents Jesse Owens with the Congressional Gold Medal.
- April 7 - Iran Contra Affair: John Poindexter is found guilty of five charges for his part in the scandal but the convictions were later reversed after an appeal
- April 7 - Scandinavian Star, a Bahamas-registered ferry, catches fire enroute from Norway to Denmark - 158 dead
- April 12 - Christian Bernard, F.R.C., becomes Imperator of AMORC
- April 13 - Soviet Union apologizes for the Katyn Massacre
- April 24 - The Space Shuttle Discovery places the Hubble Space Telescope into orbit.It becomes operational May 20
- April 24 - West and East Germany agree to merge currency and economies on July 1
- May 15 - Portrait of Doctor Gachet by Vincent van Gogh is sold for a record $82.5 million.
- 1990 Stanley Cup Finals start Edmonton Oilers vs. Boston Bruins
- May 19 - British agriculture Minister John Gummer feeds a hamburger to his 5-year-old daughter to counter rumours about the spread of Mad cow disease and its transmission to humans
- May 20 - The first post- Communist presidential and parliamentary elections are held in Romania
- May 22 - Yemen is unified
- May 22 - Windows 3.0 is released by Microsoft
- May 25 - 1990 Stanley Cup Finals end Edmonton Oilers def Boston Bruins 4 games to 1
- Tuesday, May 29, 1990 - Rhode Island celebrates its bicentennial statehood.
- June 1 - U.S. President George Herbert Walker Bush and Soviet Union leader Mikhail Gorbachev sign a treaty to end chemical weapon production and start destroying each of their nation's stockpiles
- June 12 - The parliament of the Russian Federation formally declares its sovereignty (see Russia Day)
- June 22 - Underwater volcano Mount Didicas erupts in the Philippines
- July 2 - Stampede in a pedestrian tunnel leading to the Mecca - 1426 pilgrims dead
- July 15 - Tamil Tigers kill 168 Muslims in Colombo, Sri Lanka
- July 16 - In the Philippines, an earthquake measuring 7.7 on the Richter Scale kills over 1600
- July 28 - Alberto Fujimori becomes president of Peru
- July 30 - IRA car bomb kills British MP Ian Gow
- August 2 - Gulf War: Iraq invades Kuwait, eventually leading to the Gulf War.
- August 3 - The highest temperature ever recorded in UK - 37.1 �C at Cheltenham in Gloucestershire
- August 6 - Gulf War: The United Nations Security Council orders a global trade embargo against Iraq in response to Iraq's invasion of Kuwait.
- September 12 - The two German states and the Four Powers sign the Treaty on the Final Settlement With Respect to Germany in Moscow, paving the way for German re-unification.
- October 3 - German re-unification, East Germany became part of Germany
- October 5 - After one hundred and fifty years, ten months and two days (Friday, January 3, 1840 - Friday, October 5, 1990), The Herald broadsheet newspaper in Melbourne, Australia is published for the last time as a separate newspaper. Founded in 1840 as The Port Phillip Herald, it is merged with its morning tabloid sister paper The Sun News-Pictorial and the first issue of the new Herald Sun, described by owner Rupert Murdoch as "The world's first 24-hour newspaper", with morning and afternoon editions, is published on the 8th.
- October 8 - Israeli-Palestinian Conflict: In Jerusalem, Israeli police kill 17 Palestinians and wound over 100 near the Dome of the Rock mosque on the Temple Mount.
- October 15 - Soviet Union leader Mikhail Gorbachev is awarded the Nobel Peace Prize for his efforts to lessen Cold War tensions and open up his nation
- October 27 - New Zealand general election returns National with record number of seats - 67; Labour 29, NewLabour 1.
- November 1 - Mary Robinson defeats odds-on favourite Brian Lenihan to become the first woman President of Ireland.
- November 5 - Rabbi Meir Kahane, founder of the far-right Kach movement, is shot dead after a speech at a New York City hotel.
- November 11 - Gulf War: The U.N. Security Council passes resolution 678, giving Iraq until Tuesday, January 15, 1991 to withdrawal its forces from Kuwait
- November 12 - Crown Prince Akihito becomes the 125th Japanese monarch and takes the title Emperor Akihito of Japan
- November 12 - Tim Berners-Lee publishes a more formal proposal for the World Wide Web. 
- November 13 - The first known web page is written.
- November 14 - Germany and Poland sign a treaty confirming the border at the Oder-Neisse line.
- November 15 - Space Shuttle program: Space Shuttle Atlantis launches with flight STS-38.
- November 18 - Andrei Tjikatilo is arrested on suspicion of serial murder and rape
- November 21 - The Super Famicom is released in Japan
- November 22 - Margaret Thatcher resigns as the Prime Minister of the United Kingdom.
- November 25 - Lech Walesa wins in Poland's first presidential election
- November 27 - The UK Conservative Party chooses John Major to succeed Margaret Thatcher as Prime Minister of the United Kingdom.
- November 29 - Gulf War: The United Nations Security Council passes UN Security Council Resolution 678, authorizing military intervention in Iraq if that nation did not withdraw its forces from Kuwait and free all foreign hostages by Tuesday, January 15, 1991.
- December 1 - Channel Tunnel workers from the United Kingdom and France meet 40 meters beneath the English Channel seabed, establishing the first ground connection between the United Kingdom and the mainland of Europe since the last ice age
- December 2 - A coalition led by Chancellor Helmut Kohl wins the first free all-German elections since 1932
- December 3 - At Detroit Metropolitan Airport, a McDonnell Douglas DC-9 carrying Northwest Airlines Flight 1482 collides with a Boeing 727 carrying Northwest Airlines Flight 299 on the runway, killing 8 passengers and 4 crewmembers aboard flight 1482
- December 3 - Mary Robinson is elected the first female President of Ireland.
- December 6 - Saddam Hussein releases the Western hostages
- December 9 - Slobodan Milosevic becomes President of Serbia
- December 16 - Jean-Bertrand Aristide is elected president of Haiti, ending three decades of military rule.
- December 31 - Russian Garry Kasparov holds his title by winning the World Chess Championship match against his countryman Anatoly Karpov.
Year in topic
- 1990 in film
- Friday, March 2, 1990 - Hunt for Red October starring Sean Connery and Alec Baldwin
- Friday, May 25, 1990 - Back to the Future Part III starring Michael J. Fox
- Friday, June 1, 1990 - Total Recall directed by Paul Verhoeven, and starring Arnold Schwarzenegger, Rachel Ticotin, Sharon Stone, Michael Ironside, and Ronny Cox
- Wednesday, June 27, 1990 - Days of Thunder starring Tom Cruise
- Wednesday, July 4, 1990 - Die Hard 2: Die Harder starring Bruce Willis
- Friday, July 13, 1990 - Ghost starring Demi Moore, Patrick Swayze, and Whoopi Goldberg
- Friday, July 27, 1990 - Presumed Innocent starring Harrison Ford
- Wednesday, September 19, 1990 - Goodfellas directed by Martin Scorsese, and starring Robert De Niro, Ray Liotta, Lorraine Bracco, and Joe Pesci
- Friday, November 9, 1990 - Dances With Wolves starring Kevin Costner
- Friday, November 16, 1990 - Home Alone starring Macaulay Culkin, Joe Pesci, and Daniel Stern
- Friday, November 16, 1990 - Rocky V starring Sylvester Stallone
- Wednesday, November 21, 1990 - Predator 2 starring Danny Glover
- Awakenings starring Robin Williams and Robert De Niro
- 1990 in literature
- 1990 in music
- 1990 in sports
- 1990 in television
- 1990 in video games and computing
- January 30 - Jake Thomas, actor (Lizzie McGuire)
- March 16 - James Bulger, murdered British toddler
- March 24 - Keisha Castle-Hughes, actress
- April 15 - Emma Watson, English actress
- May 16 - Thomas Sangster, actor
- November 30 - Magnus Carlsen, chessplayer
- December 20 - Jojo, singer
- January 7 - Bronko Nagurski, American football star
- January 8 - Terry-Thomas, actor, comedian
- January 18 - Melanie Appleby, singer with Mel and Kim
- January 19 - Herbert Wehner, German politician
- January 20 - Barbara Stanwyck, actress
- January 25 - Ava Gardner, actress
- January 26 - Lewis Mumford, philosopher, writer
- January 26 - Higashikuni Naruhiko, Japanese prime minister
- Thursday, February 8, 1990 - Del Shannon, entertainer (suicide)
- Friday, February 23, 1990 - Jose Napoleon Duarte, President of El Salvador
- Saturday, February 24, 1990 - Malcolm Forbes, publisher
- March 13 - Bruno Bettelheim, child psychologist, psychiatrist
- March 15 - Tom Harmon, American football star, broadcaster
- March 17 - Capucine, actress
- March 20 - Lev Yashin, Soviet football goalkeeper.
- March 22 - Gerald Bull, engineer
- March 24 - An Wang, computer pioneer
- March 26 - Halston, fashion designer
- April 3 - Sarah Vaughn, singer
- April 8 - Ryan White , AIDS awareness advocate
- April 15 - Greta Garbo, Swedish film star.
- April 25 - Dexter Gordon, jazz musician
- May 2 - David Rappaport, actor
- May 10 - Walker Percy, author
- May 16 - Jim Henson, creator of the Muppets
- May 16 - Sammy Davis, Jr., singer, actor, comedian
- May 22 - Rocky Graziano, boxer
- June 2 - Rex Harrison, actor
- July 7 - Bill Cullen, game show host
- July 29 - Bruno Kreisky, Chancellor of Austria (b. 1911)
- August 25 - Morley Callaghan, Canadian writer
- August 27 - Stephen "Stevie" Ray Vaughan, Blues guitarist
- September 9 - Doc Cramer, Major League Baseball center fielder (b. 1905)
- October 13 - Le Duc Tho, Nobel Peace Prize recipient (b. 1911)
- October 14 - Leonard Bernstein, American composer and conductor
- October 16 - Art Blakey, jazz drummer
- October 23 - Louis Althusser, French Marxist philosopher
- October 27 - Elliott Roosevelt, author, personality
- December 2 -- Aaron Copland, American composer
- December 14 - [[Friedrich D�rrenmatt]], writer
- December 31 - Vasili Lazarev, cosmonaut
- Physics - Jerome Isaac Friedman, Henry W. Kendall, Richard E. Taylor
- Chemistry - Elias James Corey
- Medicine - Joseph E. Murray, E Donnall Thomas
- Literature - Octavio Paz
- Peace - Mikhail Sergeyevich Gorbachev (Михаил Горбачев)
- Economics - Harry Markowitz, Merton Miller, William Sharpeaf:1990
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