The watershed event that occurred on November 9, 1989, that changed the political landscape of the world is the fall of the heavily fortified and guarded Berlin Wall.
The collapse of the berlin wall in 1989 was primarily responsible for the political changes around the world.
The fall of the Berlin Wall was the first step towards German reunification because the political, economic and social influence of the fall of the Berlin Wall further cut the already unstable East German government.
The fall of the Berlin Wall in 1989 was a climacteric moment, not just in the Cold War but in the history of modern Europe. It was brought about by political reforms inside the Soviet bloc, escalating pressure from the people of eastern Europe and eventually, confusion over an East German command to open the border.
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