6th » Three Provisional Irish Republican Army volunteers are killed by Special Air Service on the territory of Gibraltar in the conclusion of Operation Flavius.
13th » The Seikan Tunnel, the longest undersea tunnel in the world, opens between Aomori, Aomori known as Aomori and Hakodate, Hokkaidō named Hakodate, Japan.
14th » Johnson South Reef Skirmish: Chinese forces defeat Vietnamese forces in Johnson South Reef, disputed Spratly Islands.
16th » Iran-Contra Affair: Lieutenant Colonel Oliver North and Vice Admiral John Poindexter are indicted on charges of conspiracy (crime) known as conspiracy to defraud the United States.
16th » Halabja poison gas attack: The Kurdish town of Halabjah in Iraq is attacked with a mix of poison gas and nerve agents on the orders of Saddam Hussein, killing 5000 people and injuring about 10000 people.
16th » The Troubles: Ulster loyalism Ulster loyalist militant Michael Stone (loyalist) Michael Stone Milltown Cemetery attack attacks a Provisional IRA funeral in Belfast with pistols and grenades. Three people are killed and more than 60 wounded. The attack was
17th » A Colombian Boeing 727 jet airliner named jetliner, Avianca Flight 410, crashes into a mountainside near the Venezuelan border killing 143.
25th » The Candle demonstration in Bratislava known as Candle demonstration in Bratislava is the first mass demonstration of the 1980s against the communist regime in Czechoslovakia.