Switzerland was not a member of the Allied forced during World War I. They instead managed to remain a neutral power. They were neutral during World War II as well.
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The fall of the Berlin Wall (German: Mauerfall) on 9 November 1989 was a pivotal event in world history which marked the falling of the Iron Curtain and the start of the fall of communism in Eastern and Central Europe. The fall of the inner German border took place shortly afterwards.
Explanation: