Belgium, France, West Germany, Italy, Luxembourg and the Netherlands sign the treaty creating the European Economic Community, forerunner of the European Union.
A nationwide uprising against Hungary's Soviet-backed government is crushed by Soviet forces.
After Nasser nationalises the Suez Canal, Israel, Britain and France attack Egypt but withdraw under US and Soviet pressure.
During the 300-day free-movement period after the Geneva Accords, roughly 800,000 to one million people, many of them Catholics, move from North to South Vietnam.
The Việt Minh assault the French garrison at Điện Biên Phủ; their victory on 7 May leads to the Geneva Accords.
The Geneva Conference ends the First Indochina War, temporarily partitioning Vietnam at the 17th parallel pending elections planned for 1956.
The Vietnam People's Army takes control of Hanoi as French forces withdraw under the Geneva Accords.