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  Berlin is split into four sections
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  east and west Germany is safeguarded
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  you have to have a pass to go inbetween zones
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  the currency changes.
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  The Begin of the Berlin blockade.
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  airlift begins
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  end of blockade.
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  They found the federal republic of Germany.
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  The Berlin airlift ends.
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  Germany Democratic Republic starts.
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  Berlin is devided
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  The Berlin workers on the east against some of the regulations they are trying to put on them
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  The western people can cross to the east but they cant come back if they do.
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  Leaving east Germany is illegal without permission.
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  Berlins Sector borders go down but the barriers stay up.
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  West Berlins crossing points are closed
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  The president visits and says "I am a Berliner".
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  The west Berlin people can now visit east Berlin.
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  Visiting east Berlin is even easier to west Berlin people.
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  Ronald Reagan visits Berlin and tells the leader to tear down the wall.