The unthinkable happened one November evening. The Berlin Wall fell, and with it the entire communist bloc. Overnight, former foes became friends – one of history’s biggest U-turns ever.
The reunification of Germany on 3 October 1990 was a step forward for the country and for all of Europe. In the words of NATO's Secretary General: "Today we put nearly half a century of confrontation and frustration behind us."
A short history of NATO