Eamon de Valera publicly repudiated the Anglo-Irish Treaty.
Source
A fire destroyed Vienna's Ring Theater, which killed between 640-850 people.
Metallica became the first band to have performed on all seven continents when they held a concert in Antarctica.
The Clifton Suspension Bridge was finally opened.
US President Ronald Reagan and Soviet leader Mikhail Gorbachev signed a treaty eliminating medium-range nuclear missiles.
Frank Sinatra Jr. was kidnapped.
