1984
Events
January
February
March
April
- April 2 – Indian Squadron Leader Rakesh Sharma is launched into space, aboard the Soyuz T-11.
- April 12 – Palestinian gunmen take Israeli bus number 300 hostage. Israeli special forces storm the bus, freeing the hostages.
- April 13 – India launches Operation Meghdoot, bringing most of the disputed Siachen Glacier region of Kashmir under Indian control and triggering the Siachen conflict with Pakistan.
- April 15
- * The first World Youth Day gathering is held in Rome, Italy.
- * Pittsburgh Light Rail opens to the public.
- April 16 – More than one million people, led by Tancredo Neves, occupy the streets of São Paulo to demand direct presidential elections during the Brazilian military government of João Figueiredo. It is the largest protest during the Diretas Já civil unrest, as well as the largest public demonstration in the history of Brazil. The elections are granted in 1989.
- April 17 – Metropolitan Police officer Yvonne Fletcher was fatally shot, during a demonstration outside the Libyan embassy in London, leading to an eleven-day siege of the embassy, and the severing of diplomatic relations between the United Kingdom and Libya.
- April 19 – Advance Australia Fair is proclaimed as Australia's national anthem, and green and gold as the national colours.
- April 24 – An X-class solar flare erupts on the Sun.
- April 26 – Sultan Iskandar of Johor becomes Yang di-Pertuan Agong of Malaysia, in succession to Sultan Ahmad Shah, whose term ended the previous day.
May
June
July
August
September
October
- October 2 - John Schnatter founded Papa John's in Jeffersontown, Kentucky.
- October 4 – Tim Macartney-Snape and Greg Mortimer become the first Australians to reach the summit of Mount Everest.
- October 5 – STS-41-G: Marc Garneau becomes the first Canadian in space, aboard the Space Shuttle Challenger.
- October 9 – Thomas the Tank Engine & Friends by Britt Allcroft broadcasts its first two episodes in the United Kingdom.
- October 11
- * Aboard the Space Shuttle Challenger, astronaut Kathryn D. Sullivan becomes the first American woman to perform a space walk.
- * Aeroflot Flight 3352 crashes at Omsk Airport into maintenance vehicles on the runway, killing 174 people on board and 4 on the ground.
- October 12 – The Provisional Irish Republican Army attempts to assassinate Prime Minister Margaret Thatcher and the British Cabinet in the Brighton hotel bombing with an explosive device planted nearly a month earlier in their conference hotel. The terror attack kills five people and injures 31.
- October 14 – The Detroit Tigers defeat the San Diego Padres in game five of the 1984 World Series to win the franchise's 4th championship.
- October 19
- * Polish secret police kidnapped and assassinated Jerzy Popiełuszko, a Catholic priest who supports the Solidarity movement. His body is found in a reservoir 11 days later on October 30.
- * Wapiti Aviation Flight 402 crashes into terrain southeast of High Prairie, Alberta, Canada. Six are killed including leader of the Alberta NDP, Grant Notley, while the four survivors are later rescued the next day.
- October 20 – Monterey Bay Aquarium is opened to the public after seven years of development and construction.
- October 23 – The world learns from moving BBC News television reports presented by Michael Buerk of the 1983–1985 [famine in Ethiopia|famine in Ethiopia], where thousands of people have already died of starvation due to a famine, and as many as 10,000,000 more lives are at risk.
- October 25 – The European Economic Community makes £1.8 million available to help combat the famine in Ethiopia.
- October 26 – The science fiction action film The Terminator premieres. It is the third film directed by James Cameron, and stars Arnold Schwarzenegger, Linda Hamilton, and Michael Biehn.
- October 31 – Assassination of Indira Gandhi: Prime Minister of India Indira Gandhi is assassinated by her two Sikh security guards in New Delhi. Anti-Sikh riots break out, leaving 10,000 to 20,000 Sikhs dead in Delhi and surrounding areas with the majority populations of Hindus. Rajiv Gandhi becomes Prime Minister of India.
November
- November 1–4 – Anti-Sikh mass murder takes place in Delhi and various parts of India following the [Assassination of Indira Gandhi|assassination of Prime Minister Indira Gandhi].
- November 3 – 600,000 to 1 million people were attending the funeral of Father Jerzy at St. Stanislaus Kostka Church in Żoliborz following his assassination.
- November 4 – The Sandinista Front wins the Nicaraguan general elections.
- November 6 – 1984 United States presidential election: Republican President Ronald Reagan defeats Democratic former Vice President Walter F. Mondale with 59% of the popular vote, the highest since Richard Nixon's 61% popular vote victory in 1972. Reagan carries 49 states in the electoral College; Mondale wins only his home state of Minnesota and the District of Columbia.
- November 9–11 – The first Hackers Conference is held.
- November 11 – The Louisiana World Exposition, also known as The 1984 World's Fair, and also the New Orleans World's Fair, and, to the locals, simply as "The Fair" or "Expo 84", closes.
- November 12 – Western Sahara conflict: Morocco leaves the Organization of African Unity in protest at the admission of Western Sahara as a member.
- November 14 – Zamboanga City mayor Cesar Climaco, a prominent critic of the government of Philippine President Ferdinand Marcos, is assassinated in his home city.
- November 19 – A series of explosions at the Pemex Petroleum Storage Facility at San Juan Ixhuatepec, in Mexico City, ignites a major fire and kills about 500 people.
- November 21 – Start of Operation Moses, the evacuation of refugee Beta Israel Ethiopian Jews from Sudan to Israel via Brussels.
- November 25
- * Band Aid records the charity single "Do They Know It's Christmas?" in London to raise money to combat the famine in Ethiopia. It is released on December 3.
- * 1984 Uruguayan presidential election: Julio María Sanguinetti is democratically elected President of Uruguay after 12 years of military dictatorship.
- November 28 – Over 250 years after their deaths, William Penn and his wife Hannah Callowhill Penn are made Honorary Citizens of the United States.
- November 30 – Sri Lankan Civil War, Kent and Dollar Farm massacres: the Liberation Tigers of Tamil Eelam begin their first massacres of the Sinhalese people, in North and East Sri Lanka. 127 are killed.
December
- December 1
- * A peace agreement between Kenya and Somalia is signed in the Egyptian capital Cairo. With this agreement, in which Somalia officially renounces its historical territorial claims, relations between the two countries begin to improve.
- * The Light Rail Transit in Manila begins service with the opening of its southern segment, as the first rapid transit service in Southeast Asia.
- December 2 – 1984 Australian federal election: Bob Hawke's Labor government is re-elected with a reduced majority, defeating the Liberal/National Coalition led by Andrew Peacock.
- December 3 – Bhopal disaster: A methyl isocyanate leak from a Union Carbide pesticide plant in Bhopal, Madhya Pradesh, India, kills more than 8,000 people outright and injures over half a million in the worst industrial disaster in history.
- December 4
- * Sri Lankan Civil War, 1984 Mannar massacre: Sri Lankan Army soldiers kill over 200 civilians in the town of Mannar.
- * Hezbollah militants hijack a Kuwait Airlines plane and kill 4 passengers.
- December 19 – The People's Republic of China and the United Kingdom sign the Sino-British Joint Declaration on the future of Hong Kong.
- December 20 – Disappearance of Jonelle Matthews from Greeley, Colorado. Her remains were discovered on 23 July 2019, located about southeast of Jonelle's home. The cause of death "was a gunshot wound to the head".
- December 22
- * Four African-American youths board an express train in the Bronx borough of New York City. They demand five dollars from Bernhard Goetz, who shoots them. The event starts a national debate about urban crime in the United States.
- * In Malta, Prime Minister Dom Mintoff resigns.
- December 28 – A Soviet cruise missile plunges into Lake Inari in Finnish Lapland, known as the Lake Inari missile incident. Finnish authorities announce the fact in public on January 3, 1985.
Date unknown
Nobel Prizes