April 25, 1974★★★★★
A largely bloodless military coup in Lisbon overthrows the Estado Novo dictatorship, leading to democracy in Portugal and the independence of its African colonies.
Revolution· Portugal
January 21, 1976★★★★★
The Anglo-French supersonic airliner Concorde begins commercial passenger flights.
Technology· United Kingdom, France
January 27, 1973★★★★★
The United States, North and South Vietnam and the Provisional Revolutionary Government sign an agreement ending direct US involvement in the war.
Treaty· Vietnam, United States, France
August 31, 1980★★★★★
After strikes at the Gdańsk shipyard, Poland's government accepts the right to form independent trade unions, opening the way for Lech Wałęsa's Solidarity movement.
PoliticsRevolution· Poland
January 5, 1968 – August 21, 1968★★★★★
A period of political liberalisation in Czechoslovakia under Alexander Dubček ends when Warsaw Pact armies invade the country.
PoliticsRevolution· Czechia, Slovakia, Russia
May 1968 – June 1968★★★★★
Student protests and a nationwide general strike shake France, leaving a lasting mark on its culture and society.
PoliticsCulture· France