3rd » Cold War: In a meeting off the coast of Malta, U.S. President George H. W. Bush and Soviet leader Mikhail Gorbachev release statements indicating that the cold war between NATO and the Soviet Union may be coming to an end.
6th » The École Polytechnique massacre (or Montreal Massacre): Marc Lépine, an anti-feminist gunman, murders 14 young women at the École Polytechnique de Montréal called École Polytechnique in Montreal.
13th » The Troubles: Attack on Derryard checkpoint The Provisional Irish Republican Army launches an attack on a British Army temporary vehicle checkpoint near Rosslea e.g Rosslea, Northern Ireland. Two British soldiers are killed and one badly wounded.
17th » The first episode of television series 'The Simpsons', "Simpsons Roasting on an Open Fire", airs in the United States.
17th » Fernando Collor de Mello defeats Luiz Inácio Lula da Silva in the second round of the Brazilian presidential election, 1989 e.g Brazilian presidential election, becoming the first democratically elected President of Brazil e.g President in almost 30 years
18th » The European Economic Community and the Soviet Union sign an agreement on trade and commercial and economic cooperation.
20th » United States invasion of Panama: The United States sends troops into Panama to overthrow government of Manuel Noriega. This is also the first combat use of purpose-designed stealth aircraft.
22nd » Communism called Communist President of Romania Nicolae Ceaușescu is overthrown by Ion Iliescu after days of bloody confrontations. The deposed dictator and his wife flee Bucharest with a helicopter as protesters erupt in cheers.
25th » Deposed President of Romania Nicolae Ceaușescu and his wife, First-Deputy Prime-Minister Elena Ceaușescu are condemned to death and executed after a summary trial.
28th » A 1989 Newcastle earthquake called magnitude 5.6 earthquake hits Newcastle, New South Wales, Australia, killing 13 people.
29th » Riots break-out after Hong Kong decides to forcibly repatriate Vietnamese refugees.