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WW2 is over and Berlin is divided into four sectors: the American, British, French in the West and
the Soviet Union in the East -
At the instigation of the Soviet Military administration the demarcation line between East and West Germany is safeguarded
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A 30 day valid Interzonenpass is required to travel between the four sectors in Germany
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Currency reform in Berlin, Berlin is divided into two different currency zones
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Begin of the Berlin blockade
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Berlin Airlift begins
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End of Berlin blockade
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Federal Republic of Germany is founded
(West Germany) -
End of Berlin Airlift
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German Democratic Republic is founded
(East Germany) -
Border between East and West Germany and between East Germany and West Berlin is closed. Only the border between East and West Berlin is still opened
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Uprising of East Berlin building workers against the imposition of increased working norms, suppression by Red Army tanks
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The Western Powers waive the Interzonenpass, the Soviet Union follows but East German citizen need a permission to travel to the West
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Leaving East Germany without permission is forbidden and violations are prosecuted with prison up to three years
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The Berlin sectoral border between East and West Berlin is closed, barriers are built
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Brandenburg Gate is closed
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All crossing points are closed for West Berlin citizens
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President J. F. Kennedy visits Berlin and says: "Ich bin ein Berliner." ("I am a Berliner.")
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West Berliner citizen may visit East Berlin the first time after more than two years
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Four Power's Agreement over Berlin
visiting becomes easier for West Berliners -
President Ronald Reagan visits Berlin and urges Soviet leader Mikhail Gorbachev to tear down the Berlin Wall.
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Hungarian government opens border for East German refugees
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Berlin Wall is opened
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Brandenburg Gate is opened
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Germany is reunited