The British and Irish governments and Northern Ireland's parties sign a peace agreement, ending most of the violence of the Troubles.
Britain transfers sovereignty over Hong Kong to China under the 'one country, two systems' principle.
Dolly the sheep, the first mammal cloned from an adult somatic cell, is born at the Roslin Institute in Scotland.
After capturing Srebrenica, Bosnian Serb forces kill more than 8,000 Bosniak men and boys; international courts have ruled it a genocide.
A peace agreement negotiated in Dayton, United States, is formally signed in Paris, ending the Bosnian War.
Euro cash enters circulation in twelve European Union countries, replacing national currencies such as the franc, the Deutsche Mark and the lira.
The Maastricht Treaty enters into force, formally establishing the European Union and laying the groundwork for a single currency.