6. The Fall of the Berlin Wall (1989)

The fall of the Berlin Wall in 1989 marked a pivotal moment in history, symbolizing the sudden breakdown of East Germany’s communist regime (history.com). On November 9, 1989, East German officials announced that citizens could cross the border freely, leading to jubilant crowds dismantling the wall. This event ended decades of division, paving the way for German reunification and signaling the decline of Soviet influence in Eastern Europe.